The Roman emperor was the ruler and monarchical head of state of the Roman Empire , starting with the granting of the title augustus to Octavian in 27 BC. The term emperor is a modern convention, and did not exist as such during the Empire. When a given Roman is described as becoming emperor in English, it generally reflects his accession as augustus , and later as basileus . Another title used was imperator , originally a military honorific, and caesar , originally a cognomen . Early emperors also used the title princeps ('first one') alongside other Republican titles, notably consul and pontifex maximus .
189-525: Flavius Julius Constans ( c. 323 – 350), also called Constans I , was Roman emperor from 337 to 350. He held the imperial rank of caesar from 333, and was the youngest son of Constantine the Great . After his father's death, he was made augustus alongside his brothers in September 337. Constans was given the administration of the praetorian prefectures of Italy , Illyricum , and Africa . He defeated
378-427: A panegyric that it was delivered, as Julian had done on January 3, when Libanius was speaking, and ignore the chariot races. He then tried to address public criticism and mocking of him by issuing a satire ostensibly on himself, called Misopogon or "Beard Hater". There he blames the people of Antioch for preferring that their ruler have his virtues in the face rather than in the soul. Julian's fellow pagans were of
567-595: A theocracy . According to George Ostrogorsky , "the absolute power of the Roman emperor was further increased with the advent of Christian ideas". This became more evident after the Muslim conquests of the 7th century, which gave Byzantine imperialism a new sense of purpose. The emperor was the subject of a series of rites and ceremonies, including a formal coronation performed by the Patriarch of Constantinople . The Byzantine state
756-509: A 50-year period that almost saw the end of the Roman Empire. The last vestiges of Republicanism were lost in the ensuing anarchy. In 238, the Senate attempted to regain power by proclaiming Pupienus and Balbinus as their own emperors (the first time since Nerva ). They managed to usurp power from Maximinus Thrax , but they were killed within two months. With the rise of the "soldier emperors",
945-690: A band of Franks who had taken control of some abandoned forts along the river Meuse . In 358, Julian gained victories over the Salian Franks on the Lower Rhine , settling them in Toxandria in the Roman Empire, north of today's city of Tongeren , and over the Chamavi, who were expelled back to Hamaland . At the end of 357 Julian, with the prestige of his victory over the Alamanni to give him confidence, prevented
1134-517: A big show of games. In the spring of 361, Julian led his army into the territory of the Alamanni, where he captured their king, Vadomarius . Julian claimed that Vadomarius had been in league with Constantius, encouraging him to raid the borders of Raetia . Julian then divided his forces, sending one column to Raetia, one to northern Italy and the third he led down the Danube on boats. His forces claimed control of Illyricum and his general, Nevitta, secured
1323-453: A burdensome and corrupt bureaucracy within the Imperial administration whether it involved civic officials, secret agents or the imperial postal service. Another effect of Julian's political philosophy was that the authority of the cities was expanded at the expense of the imperial bureaucracy as Julian sought to reduce direct imperial involvement in urban affairs. For example, city land owned by
1512-450: A campaign against the Franks where, after an initial setback, the military operation concluded with a victory and a favorable peace treaty. Eutropius wrote that he “had performed many gallant actions in the field, and had made himself feared by the army through the whole course of his life, though without exercising any extraordinary severity,” while Ammianus Marcellinus remarked that Julian
1701-546: A clear idea of what he wanted Roman society to be, both in political as well as religious terms. The terrible and violent dislocation of the 3rd century meant that the Eastern Mediterranean had become the economic locus of the Empire. If the cities were treated as relatively autonomous local administrative areas, it would simplify the problems of imperial administration, which as far as Julian was concerned, should be focused on
1890-536: A court title bestowed to prominent figures of the government, and lost even more relevance after the creation of the title sebastokrator by Alexios I Komnenos . Despite this, its regular use by earlier emperors led to the name becoming synonym with "emperor" in certain regions. Several countries use Caesar as the origin of their word for "emperor", like Kaiser in Germany and Tsar in Bulgaria and Russia . After
2079-461: A divided mind about this habit of talking to his subjects on an equal footing: Ammianus Marcellinus saw in that only the foolish vanity of someone "excessively anxious for empty distinction", whose "desire for popularity often led him to converse with unworthy persons". On leaving Antioch he appointed Alexander of Heliopolis as governor, a violent and cruel man whom the Antiochene Libanius ,
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#17329303191752268-535: A family name ( nomen ), styling himself as Imp. Caesar instead of Imp. Julius Caesar . However, the nomen was still inherited by women (such as Julia the Younger ) and appear in some inscriptions. After the death of Caligula , Augustus' great-grandson, his uncle Claudius was proclaimed emperor. He was not an official member of the Julia gens , but he was the grandson of Octavia , Augustus' sister, and thus still part of
2457-491: A friend of the emperor, admits on first thought was a "dishonourable" appointment. Julian himself described the man as "undeserving" of the position, but appropriate "for the avaricious and rebellious people of Antioch". Julian's rise to Augustus was the result of military insurrection eased by Constantius's sudden death. This meant that, while he could count on the wholehearted support of the Western army which had aided his rise,
2646-557: A march further eastward, Julian's army turned south to Circesium at the confluence of the Abora (Khabur) and the Euphrates arriving at the beginning of April. Passing Dura on 6 April, the army made good progress, bypassing towns after negotiations or besieging those which chose to oppose him. At the end of April the Romans captured the fortress of Pirisabora , which guarded the canal approach from
2835-473: A massacre of most of Julian's close relatives. Constantius II allegedly ordered the murders of many descendants from the second marriage of Constantius Chlorus and Theodora, leaving only Constantius and his brothers Constantine II and Constans I , and their cousins, Julian and Constantius Gallus (Julian's half-brother), as the surviving males related to Emperor Constantine. Constantius II, Constans I, and Constantine II were proclaimed joint emperors, each ruling
3024-420: A new caesar . Each pair ruled over a half of the Empire, which led to the creation of a Western and Eastern Roman Empire , a division that eventually became permanent. This division had already a precedent in the joint rule of Valerian / Gallienus and Carus / Carinus . Diocletian justified his rule not by military power, but by claiming divine right . He imitated Oriental divine kingship and encouraged
3213-460: A portion of Roman territory. Julian and Gallus were excluded from public life, were strictly guarded in their youth, and given a Christian education. They were likely saved by their youth. If Julian's later writings are to be believed, Constantius would later be tormented with guilt at the massacre of 337. Initially growing up in Bithynia , raised by his maternal grandmother, at the age of seven Julian
3402-532: A regime in which the notion of legitimacy is as absent as that of the Augustan principate". Imperial propaganda was often used to legitimize or de-legitimize certain emperors. The Chronicon Paschale , for example, describes Licinius as having been killed like "those who had briefly been usurpers before him". In reality, Licinius was the legitimate emperor of the West (having been appointed by Galerius ), while Constantine
3591-471: A role in his decision to go to war. On 5 March 363, despite a series of omens against the campaign, Julian departed from Antioch with about 65,000–83,000, or 80,000–90,000 men (the traditional number accepted by Gibbon is 95,000 effectives total), and headed north toward the Euphrates . En route he was met by embassies from various small powers offering assistance, none of which he accepted. He did order
3780-599: A rounded-corner border with their dates as Augusti , names with a thicker border appear in both sections 1: Constantine's parents and half-siblings 2: Constantine's children Roman emperor The legitimacy of an emperor's rule depended on his control of the Roman army and recognition by the Senate ; an emperor would normally be proclaimed by his troops, or by the Senate, or both. The first emperors reigned alone; later emperors would sometimes rule with co-emperors to secure
3969-518: A rule of terror over the territories under his command, was executed. Julian was summoned to Constantius' court in Mediolanum ( Milan ) in 354, and held for a year, under suspicion of treasonable intrigue, first with his brother and then with Claudius Silvanus ; he was cleared, in part because Empress Eusebia intervened on his behalf, and he was permitted to study in Athens (Julian expresses his gratitude to
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#17329303191754158-622: A tax increase by the Gallic praetorian prefect Florentius and personally took charge of the province of Belgica Secunda . This was Julian's first experience with civil administration, where his views were influenced by his liberal education in Greece. Properly it was a role that belonged to the praetorian prefect. However, Florentius and Julian often clashed over the administration of Gaul. Julian's first priority, as Caesar and nominal ranking commander in Gaul,
4347-511: A victory outside Ctesiphon in Mesopotamia . However, he did not attempt to besiege the capital. Julian instead moved into Persia's heartland, but he soon faced supply problems and was forced to retreat northwards while being ceaselessly harassed by Persian skirmishers. During the Battle of Samarra , Julian was mortally wounded. He was succeeded by Jovian , a senior officer in the imperial guard, who
4536-489: Is evidence to suggest that Julian may have at least partially stimulated the insurrection. If so, he went back to business as usual in Gaul, for, from June to August of that year, Julian led a successful campaign against the Attuarian Franks. In November, Julian began openly using the title Augustus, even issuing coins with the title, sometimes with Constantius, sometimes without. He celebrated his fifth year in Gaul with
4725-556: Is known as the Dominate , derived from the title dominus ("lord") adopted by Diocletian . During his rule, the emperor became an absolute ruler and the regime became even more monarchical. The emperors adopted the diadem crown as their supreme symbol of power, abandoning the subtleties of the early Empire. Beginning in the late 2nd century, the Empire began to suffer a series of political and economic crises, partially because it had overexpanded so much. The Pax Romana ("Roman peace")
4914-586: Is never used. The imperial titles are treated as inseparable of the person, which is reflected in the name Imperator Caesar Vespasianus Augustus . This Lex sometimes related to the Lex regia ("royal law") mentioned in the Corpus Juris Civilis of Eastern emperor Justinian I (r. 527–565), who cites the early 3rd-century writer Ulpian . This was probably a later construct, as its very name, which derives from rex ("king"), would have been utterly rejected in
5103-611: Is often said to have ended with the tyrannical reign of Commodus. His murder was followed by the accession of Septimius Severus , the victor of the Year of the Five Emperors . It was during his reign that the role of the army grew even more, and the emperors' power increasingly depended on it. The murder of his last relative, Severus Alexander , led to the Crisis of the Third Century (235–285),
5292-510: Is often said to have followed a " Caesaropapist " model, where the emperor played the role of ruler and head of the Church, but there was often a clear distinction between political and secular power. The line of Eastern emperors continued uninterrupted until the sack of Constantinople and the establishment of the Latin Empire in 1204. This led to the creation of three lines of emperors in exile:
5481-508: Is still often regarded as a usurper, similarly to Magnus Maximus , who was briefly recognized by Theodosius I . Western emperors such as Magnentius , Eugenius and Magnus Maximus are sometimes called usurpers, but Romulus Augustulus is traditionally regarded as the last Western emperor, despite never receiving the recognition of the Eastern emperor Zeno . The period after the Principate
5670-399: The pomerium ; and use discretionary power whenever necessary. The text further states that he is "not bound by laws", and that any previous act was retroactively considered legitimate. There is no mention of imperium nor tribunicia potestas , although these powers were probably given in the earlier clauses. There is also no mention of any "imperial office", and the title of "emperor"
5859-519: The Chalcedon tribunal to deal with the corruption of the previous administration under the supervision of magister militum Arbitio . Several high-ranking officials under Constantius, including the chamberlain Eusebius, were found guilty and executed. (Julian was conspicuously absent from the proceedings, perhaps signalling his displeasure at their necessity.) He continually sought to reduce what he saw as
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6048-615: The Constantinian dynasty , emperors followed Imperator Caesar with Flavius , which also began as a family name but was later incorporated into the emperor's titles, thus becoming Imperator Caesar Flavius . The last use of the formula, rendered as Autokrator Kaisar Flabios... Augoustos (Αὐτοκράτωρ καῖσαρ Φλάβιος αὐγουστος) in Greek, is in the Basilika of Leo VI the Wise (r. 886–912). Originally
6237-516: The Papal States . Pepin's son, Charlemagne , was crowned Imperator Romanorum (the first time Imperator was used as an actual regnal title) by Pope Leo III in Christmas AD 800, thus ending the recognition of the Eastern emperor. Western rulers also began referring to the Empire as the "Greek Empire", regarding themselves as the true successors of Rome. The inhabitants of the Eastern half of
6426-470: The Roman Republic and was given to victorious commanders by their soldiers. They held imperium , that is, military authority. The Senate could then award the extraordinary honor of a triumph ; the commander then retained the title until the end of his magistracy . In Roman tradition, the first triumph was that of Romulus , the founder of Rome, but the first attested use of imperator was in 189 BC, on
6615-496: The Sarmatians in a campaign shortly afterwards. Quarrels over the sharing of power led to a civil war with his eldest brother and co-emperor Constantine II , who invaded Italy in 340 and was killed in battle by Constans's forces near Aquileia . Constans gained from him the praetorian prefecture of Gaul . Thereafter there were tensions with his remaining brother and co- augustus Constantius II ( r. 337–361 ), including over
6804-555: The Sassanid emperor , Shapur II , invaded Mesopotamia and took the city of Amida after a 73-day siege. In February 360, Constantius II ordered more than half of Julian's Gallic troops to join his eastern army, the order by-passing Julian and going directly to the military commanders. Although Julian at first attempted to expedite the order, it provoked an insurrection by troops of the Petulantes , who had no desire to leave Gaul. According to
6993-566: The Tetrarchy the powers of the caesar increased considerably, but following the accession of Constantine I it once more remained as a title for heirs with no significant power attached to it. The title slowly lost importance in the following decades, as emperors started to promote their sons directly to augustus . In the East, the title finally lost its imperial character in 705, when Justinian II awarded it to Tervel of Bulgaria . After this it became
7182-508: The de facto sole ruler of Rome in 48 BC, when he defeated his last opposition at the Battle of Pharsalus . His killers proclaimed themselves as the liberatores ("liberators") and the restorers of the Republic, but their rule was cut short by Caesar's supporters, who almost immediately established a new dictatorship. In his will, Caesar appointed his grandnephew Octavian as his heir and adopted son. He inherited his property and lineage,
7371-422: The emperors of Nicaea , the emperors of Trebizond , and the short-lived emperors of Thessalonica . The Nicean rulers have been traditionally regarded as the "legitimate" emperors of this period, as they recovered Constantinople and restored the Empire in 1261. The Empire of Trebizond continued to exist for another 200 years, but from 1282 onwards its rulers used the modified title of "Emperor and Autocrat of all
7560-672: The fall of the Western Roman Empire , as it was used by rulers such as Theodoric the Great . Julian (emperor) Julian ( Latin : Flavius Claudius Julianus ; Ancient Greek : Ἰουλιανός Ioulianos ; 331 – 26 June 363) was the Caesar of the West from 355 to 360 and Roman emperor from 361 to 363, as well as a notable philosopher and author in Greek . His rejection of Christianity , and his promotion of Neoplatonic Hellenism in its place, caused him to be remembered as Julian
7749-530: The magister officiorum (master of the offices) Flavius Eugenius, who remained in his position throughout most of the 340s. Despite Eugenius being alleged to have misused his power to seize property, the emperor continued to support him, his trust going as far as to honor him with a statue in the Forum of Trajan in Rome . Constans issued an edict banning superstition and pagan sacrifices in 341, his justification being that he
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7938-408: The proconsuls of the few senatorial provinces and allies such as Agrippa . The governors appointed to the imperial provinces only answered to the emperor himself, who could maintain or replace them at will. The tribunician power ( tribunicia potestas ), first assumed by Augustus in 23 BC, gave him authority over the tribune of the plebs without having to actually hold the office – a tribune
8127-491: The top-heavy state bureaucracy , and attempted to revive traditional Roman religious practices at the expense of Christianity . His efforts to build a Third Temple in Jerusalem were probably intended to harm Christianity rather than please Jews . Julian also forbade Christians from teaching and learning classical texts. Julian, whose full name was Flavius Claudius Julianus, was born at Constantinople , probably in 331, into
8316-513: The " Year of the Five Emperors ", but modern scholarship now identifies Clodius Albinus and Pescennius Niger as usurpers because they were not recognized by the Roman Senate . Recognition by the Senate is often used to determine the legitimacy of an emperor, but this criterion is not always followed. Maxentius is sometimes called an usurper because he did not have the recognition of Tetrarchs , but he held Rome for several years, and thus had
8505-402: The "impostures of witchcraft and magic that cheat the senses" and "the works of conjurers who are insane men led astray into the exercise of earthly and material powers", Julian was intrigued, and sought out Maximus as his new mentor. According to the historian Eunapius , when Julian left Eusebius, he told his former teacher "farewell, and devote yourself to your books. You have shown me the man I
8694-574: The "shadow emperor". In 476, the Heruli Odoacer overthrew the child-emperor Romulus Augustulus , made himself king of Italy and shipped the imperial regalia to the Emperor Zeno in Constantinople. Historians mark this date as the date of the fall of the Western Roman Empire , although by this time there was no longer any "Empire" left, as its territory had reduced to Italy. Julius Nepos , who
8883-586: The 1866 poem " Hymn to Proserpine ", which was Algernon Charles Swinburne 's elaboration of what a philosophic pagan might have felt at the triumph of Christianity. It also ends the Polish Romantic play The Undivine Comedy written in 1833 by Zygmunt Krasiński . As he had requested, Julian's body was buried in Tarsus. It lay in a tomb outside the city, across a road from that of Maximinus Daia. However, chronicler Zonaras says that at some "later" date his body
9072-573: The 5th century, there was scarcely a single decade without succession conflicts and civil war. During this period, very few emperors died of natural causes. Such problems persisted in the later Eastern Empire, where emperors had to often appoint co-emperors to secure the throne. Despite often working as a hereditary monarchy, there was no law or single principle of succession. Individuals who claimed imperial power "illegally" are referred to as " usurpers " in modern scholarship. Ancient historians refer to these rival emperors as " tyrants ". In reality, there
9261-524: The 9th century. Its last known use was on 866–867 coins of Michael III and his co-emperor Basil I , who are addressed as imperator and rex respectively. In the West, imperator was transformed into a monarchical title by Charlemagne , becoming the official Latin title of the Holy Roman Empire . Originally the cognomen (third name) of the dictator Gaius Julius Caesar , which was then inherited by Augustus and his relatives. Augustus used it as
9450-571: The Apostate in Christian tradition. He is sometimes referred to as Julian the Philosopher . A nephew of Constantine the Great , Julian was one of few in the imperial family to survive the purges and civil wars during the reign of Constantius II , his cousin. Julian became an orphan as a child after his father was executed in 337, and spent much of his life under Constantius's close supervision. However,
9639-524: The Armenian King Arsaces to muster an army and await instructions. He crossed the Euphrates near Hierapolis and moved eastward to Carrhae , giving the impression that his chosen route into Persian territory was down the Tigris . For this reason it seems he sent a force of 30,000 soldiers under Procopius and Sebastianus further eastward to devastate Media in conjunction with Armenian forces. This
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#17329303191759828-677: The East, the Iberians , and the Perateia ", accepting the Niceans as the sole Roman emperors. However, the Byzantine Empire had been reduced mostly to Constantinople, and the rise of other powers such as Serbia and Bulgaria forced the Byzantines to recognize their rulers as basileus . Despite this, emperors continued to view themselves as the rulers of an "universal empire". During the last decades of
10017-515: The Eastern army was an unknown quantity originally loyal to the Emperor he had risen against, and he had tried to woo it through the Chalcedon tribunal . However, to solidify his position in the eyes of the eastern army, he needed to lead its soldiers to victory and a campaign against the Sassanid Persians offered such an opportunity. An audacious plan was formulated whose goal was to lay siege on
10206-432: The Empire always saw the emperor as an open monarch. Starting with Heraclius in 629, Roman emperors styled themselves " basileus ", the traditional title for Greek monarchs used since the times of Alexander the Great . The title was used since the early days of the Empire and became the common imperial title by the 3rd century, but did not appear in official documents until the 7th century. Michael I Rangabe (r. 811–813)
10395-440: The Empire used it regularly. It began to used in official context starting with Septimius Severus , and was first officially adopted in coinage by Aurelian . In the East, imperator was translated as autokrator ("self-ruler"), a title that continued to be used until the end of the Empire. This is the modern Greek word for "emperor" ( υτοκράτορας ). There are still some instances of imperator in official documents as late as
10584-487: The Empire, power was once again shared between multiple emperors and colleagues, each ruling from their own capital, notably during the long reign of John V . Constantinople finally fell to the Ottoman Turks in 1453; its last emperor, Constantine XI Palaiologos , dying in battle. The last vestiges of the empire, Morea and Trebizond , fell in 1461. The title imperator – from imperare , "to command" – dates back to
10773-459: The Empire, while later functioning as de facto separate entities, were always considered and seen, legally and politically, as separate administrative divisions of a single, insoluble state by the Romans of the time. In the West , the office of emperor soon degenerated into being little more than a puppet of Germanic generals such as Aetius and Ricimer ; the last emperors of the West being known as
10962-438: The Empire. Libanius says in his epitaph of the deceased emperor (18.304) that "I have mentioned representations (of Julian); many cities have set him beside the images of the gods and honour him as they do the gods. Already a blessing has been besought of him in prayer, and it was not in vain. To such an extent has he literally ascended to the gods and received a share of their power from him themselves." However, no similar action
11151-542: The English translation of the Latin imperator , then Julius Caesar had been an emperor, like several Roman generals before him. Instead, by the end of the Caesar's civil wars , it became clear that there was certainly no consensus to return to the old-style monarchy , but that the period when several officials would fight one another had come to an end. Julius Caesar, and then Augustus after him, accumulated offices and titles of
11340-552: The Euphrates to Ctesiphon on the Tigris. As the army marched toward the Persian capital, the Sassanids broke the dikes which crossed the land, turning it into marshland , slowing the progress of the Roman army. By mid-May, the army had reached the vicinity of the heavily fortified Persian capital, Ctesiphon , where Julian partially unloaded some of the fleet and had his troops ferried across
11529-404: The Gallic army accepted Magnentius seemingly without difficulty, and how according to Zosimus , Constantius' official Philippus emphasized Constantine, rather than Constans, when addressing Magnentius’ troops. On speculating the basis for Constans' overthrow, she suggested that one reason may have been regarding financial difficulties in Gaul by the end of his reign, which could have been related to
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#173293031917511718-423: The Gallic army – she concluded that Magnentius' revolt was "the result of a private grudge on the part of an apprehensive official and not the outcome of widespread discontent among the military or the wider population." This view is supported by Peter Crawford, who considered the explanation from the ancient sources to be a misconception caused by the rapid success of the coup. Harries does, however, acknowledge how
11907-510: The Republic, Diocletian established at the top of this new structure the Tetrarchy ("rule of four") in an attempt to provide for smoother succession and greater continuity of government. Under the Tetrarchy, Diocletian set in place a system of two emperors ( augusti ) and two subordinates that also served as heirs ( caesares ). When an emperor retired (as Diocletian and Maximian did in 305) or died, his caesar would succeed him and in turn appoint
12096-476: The Republic. From Diocletian , whose reformed tetrarchy divided the position into one emperor in the West and one in the East , emperors ruled in an openly monarchic style. Although succession was generally hereditary, it was only hereditary if there was a suitable candidate acceptable to the army and the bureaucracy, so the principle of automatic inheritance was not adopted, which often led to several claimants to
12285-421: The Roman state as an autocrat , but he failed to create a stable system to maintain himself in power. His rise to power was the result of a long and gradual decline in which the Republic fell under the influence of powerful generals such as Marius and Sulla . At the end of the Republic no new, and certainly no single, title indicated the individual who held supreme power. Insofar as emperor could be seen as
12474-443: The Roman world among them. Lepidus was sidelined in 36 BC, and relations between Octavian and Antony soon deteriorated. In September 31 BC, Octavian's victory at Actium put an end to any effective opposition and confirmed his supremacy over Rome. In January 27 BC, Octavian and the Senate concluded the so-called " First settlement ". Until then Octavian had been ruling the state with his powers as triumvir , even though
12663-488: The Romans were overwhelmingly victorious. The enemy was routed and driven into the river. King Chnodomarius was captured and later sent to Constantius in Mediolanum . Ammianus , who was a participant in the battle, portrays Julian in charge of events on the battlefield and describes how the soldiers, because of this success, acclaimed Julian attempting to make him Augustus , an acclamation he rejected, rebuking them. He later rewarded them for their valor. Rather than chase
12852-430: The Sassanid capital city of Ctesiphon and definitively secure the eastern border. Yet the full motivation for this ambitious operation is, at best, unclear. There was no direct necessity for an invasion, as the Sassanids sent envoys in the hope of settling matters peacefully. Julian rejected this offer. Ammianus states that Julian longed for revenge on the Persians and that a certain desire for combat and glory also played
13041-479: The Senate awarded him the appellation of augustus ("elevated"). The honorific itself held no legal meaning, but it denoted that Octavian (henceforth Augustus ) now approached divinity, and its adoption by his successors made it the de facto main title of the emperor. He also received the civic crown alongside several other insignias in his honor. Augustus now held supreme and indisputable power, and even though he still received subsequent grants of powers, such as
13230-405: The Tigris by night. The Romans gained a tactical victory over the Persians before the gates of the city, driving them back into the city. However, the Persian capital was not taken. Concerned with the risk of becoming encircled and trapped within the city's walls, master-general Victor ordered his soldiers not to enter the open gates of the city in pursuit of the defeated Persians. Resultantly,
13419-404: The Triumvirate itself disappeared years earlier. He announced that he would return the power to the Senate and People of Rome , but this was only an act. The Senate confirmed Octavian as princeps , the " first among equals ", and gave him control over almost all Roman provinces for a tenure of ten years. This limitation was only superficial, as he could renew his powers indefinitely. In addition,
13608-496: The West acknowledged the Eastern emperors until the accession of Empress Irene in 797. After this, the papacy created a rival lineage of Roman emperors in western Europe, the Holy Roman Emperors , which ruled the Holy Roman Empire for most of the period between 800 and 1806. These emperors were never recognized in Constantinople and their coronations resulted in the medieval problem of two emperors . The last Eastern emperor
13797-565: The West remaining after the death of Julius Nepos in 480. Instead the Eastern emperor Zeno proclaimed himself as the sole emperor of a theoretically undivided Roman Empire (although in practice he had no authority in the West). The subsequent Eastern emperors ruling from Constantinople styled themselves as " Basileus of the Romans" ( Ancient Greek : βασιλεύς Ῥωμαίων , Basileus Romaíon ) but are often referred to in modern scholarship as Byzantine emperors . The papacy and Germanic kingdoms of
13986-423: The West. The Eastern Greek-speaking half of the Empire had always regarded the emperors as open monarchs ( basileis ), and called them as such. The weakest point of the Augustan institution was its lack of a clear succession system. Formally announcing a successor would have revealed Augustus as a monarch, so he and subsequent emperors opted to adopt their best candidates as their sons and heirs. Primogeniture
14175-522: The administration of the law and defense of the empire's vast frontiers. In replacing Constantius's political and civil appointees, Julian drew heavily from the intellectual and professional classes, or kept reliable holdovers, such as the rhetorician Themistius . His choice of consuls for the year 362 was more controversial. One was the very acceptable Claudius Mamertinus , previously the Praetorian prefect of Illyricum . The other, more surprising choice
14364-700: The adoptive son of the long-deceased Marcus Aurelius , hence why he named Caracalla after him. Later Eastern imperial dynasties, such as the Doukai and Palaiologoi , claimed descent from Constantine the Great . What turns a "usurper" into a "legitimate" emperor is typically that they managed to gain the recognition of a more senior, legitimate, emperor, or that they managed to defeat a more senior, legitimate emperor and seize power. Modern historiography has not yet defined clear legitimacy criteria for emperors, resulting in some emperors being included or excluded from different lists. The year 193 has traditionally been called
14553-597: The affairs of Gaul. In the following years he learned how to lead and then run an army, through a series of campaigns against the Germanic tribes that had settled on both sides of the Rhine . During his first campaign in 356, Julian led an army to the Rhine, where he engaged the inhabitants and recovered several towns that had fallen into Frankish hands, including Colonia Agrippina ( Cologne ). With success under his belt he withdrew for
14742-467: The age of 18, the exile was lifted and he dwelt briefly in Constantinople and Nicomedia . He became a lector , a minor office in the Christian church, and his later writings show a detailed knowledge of the Bible, likely acquired in his early life. Julian's conversion from Christianity to paganism happened at around the age of 20. Looking back on his life in 362, Julian wrote that he had spent twenty years in
14931-459: The arrival of the column under Procopius and Sebastianus, set off east into the Persian interior, ordering the destruction of the fleet. This proved to be a hasty decision, for they were on the wrong side of the Tigris with no clear means of retreat and the Persians had begun to harass them from a distance, burning any food in the Romans' path. Julian had not brought adequate siege equipment, so there
15120-451: The arrival of the order from Constantius. Ammianus Marcellinus even suggested that the fear of Julian gaining more popularity than himself caused Constantius to send the order on the urging of Florentius. The troops proclaimed Julian Augustus in Paris , and this in turn led to a very swift military effort to secure or win the allegiance of others. Although the full details are unclear, there
15309-474: The authority based on prestige. The honorific was awarded as both a name and a title to Octavian in 27 BC and was inherited by all subsequent emperors, who placed it after their personal names. The only emperor to not immediately assume it was Vitellius , although he did use it after his recognition by the Senate. Later emperors ruled alongside one or several junior augusti who held de jure (but not de facto ) equal constitutional power. Despite its use as
15498-563: The body to the Church of the Apostles , where it was placed alongside that of Constantine. This act was a demonstration of his lawful right to the throne. He is also now thought to have been responsible for the building of Santa Costanza on a Christian site just outside Rome as a mausoleum for his wife Helena and sister-in-law Constantina . The new Emperor rejected the style of administration of his immediate predecessors. He blamed Constantine for
15687-444: The ceremonial of bloody sacrifices. David Stone Potter said after nearly two millennia: They expected a man who was both removed from them by the awesome spectacle of imperial power, and would validate their interests and desires by sharing them from his Olympian height (...) He was supposed to be interested in what interested his people, and he was supposed to be dignified. He was not supposed to leap up and show his appreciation for
15876-472: The city and Senate of Rome began to lose importance. Maximinus and Carus , for example, did not even set foot on the city. Carus' successors Carinus and Numerian , the last of the Crisis emperors, did not bother to assume the tribunicia potestas either. After reuniting the Roman Empire in 285, Diocletian began a series of reforms to restore stability. Reaching back to the oldest traditions of job-sharing in
16065-400: The continuance of the Republic. The title had already been used by Pompey and Julius Caesar , among others. It was a purely honorific title with no attached duties or powers, hence why it was never used in official titulature. The title was the most preferred by Augustus as its use implies only "primacy" (is in the " first among equals "), as opposed to dominus , which implies dominance. It
16254-452: The coordinated operation against the Germanic peoples. With Barbatio safely out of the picture, King Chnodomarius led a confederation of Alamanni forces against Julian and Severus at the Battle of Argentoratum . The Romans were heavily outnumbered and during the heat of battle a group of 600 horsemen on the right wing deserted, yet, taking full advantage of the limitations of the terrain,
16443-538: The creation of a worship cult . Augustus became pontifex maximus (the chief priest of the College of Pontiffs ) in 12 BC, after the death of the former triumvir Lepidus . Emperors from the reign of Gratian (r. 375–383) onward used the style pontifex inclytus ("honorable pontiff"). The title of pontifex maximus was eventually adopted by the bishops of Rome during the Renaissance . The last known emperors to use
16632-470: The daughter of the praetorian prefect Ablabius , although the two never actually married. After Constantine's death, Constans and his two brothers, Constantine II and Constantius II were proclaimed augusti and divided the Roman empire among themselves on 9 September 337. Constans was left with Italy, Africa and Illyricum. In 338, he campaigned against the Sarmatians . Meanwhile, Constans came into conflict with his eldest brother Constantine II over
16821-469: The death of Adonis , so there was wailing and moaning in the streets—not a good omen for an arrival. Julian soon discovered that wealthy merchants were causing food problems, apparently by hoarding food and selling it at high prices. He hoped that the curia would deal with the issue for the situation was headed for a famine. When the curia did nothing, he spoke to the city's leading citizens, trying to persuade them to take action. Thinking that they would do
17010-468: The emperor allowed Julian to pursue freely an education in the Greek-speaking east, with the result that Julian became unusually cultured for an emperor of his time. In 355, Constantius II summoned Julian to court and appointed him to rule Gaul . Despite his inexperience, Julian showed unexpected success in his new capacity, defeating and counterattacking Germanic raids across the Rhine and encouraging
17199-617: The emperor derived from an extraordinary concentration of individual powers and offices that were extant in the Republic and developed under Augustus and later rulers, rather than from a new political office. Under the Republic, these powers would have been split between several people, who would each exercise them with the assistance of a colleague and for a specific period of time. Augustus held them all at once by himself, and with no time limits; even those that nominally had time limits were automatically renewed whenever they lapsed. The Republican offices endured and emperors were regularly elected to
17388-542: The empress in his third oration). While there, Julian became acquainted with two men who later became both bishops and saints: Gregory of Nazianzus and Basil the Great . In the same period, Julian was also initiated into the Eleusinian Mysteries , which he would later try to restore. After dealing with the rebellions of Magnentius and Silvanus, Constantius felt he needed a permanent representative in Gaul . In 355, Julian
17577-413: The end of the Empire. In the West, the title was also used by Charlemagne and the subsequent Holy Roman Emperors as part of the formula Imperator Augustus . Both Eastern and Western rulers also used the style semper augustus ("forever augustus"). The word princeps , meaning "first", was a republican term used to denote the leading member of the Senate, and it was used by the early emperors to emphasize
17766-459: The exiled bishop Athanasius of Alexandria , who in turn eulogized Constans as "the most pious Augustus... of blessed and everlasting memory." In the following years he campaigned against the Franks , and in 343 he visited Roman Britain , the last legitimate emperor to do so. In January 350, Magnentius ( r. 350–353 ) the commander of the Jovians and Herculians , a corps in the Roman army ,
17955-464: The fact that he never married. Aurelius Victor charged Constans with “rabid” pederasty towards young barbarian hostages, though Hunt remarked that "the allegation that he kept a coterie of captive barbarians to gratify his homosexual tastes sounds more like hostile folklore." Constans' legislation against homosexuality has been cited to dispute the rumor. On 18 January 350, the general Magnentius declared himself emperor at Augustodunum ( Autun ) with
18144-441: The failure of the Tetrarchy. This practice had first been applied by Septimius Severus , who proclaimed his 10-year-old son Caracalla as augustus . He was followed by Macrinus , who did the same with his 9-year-old son Diadumenian , and several other emperors during the Crisis. This became even more common from the 4th century onwards. Gratian was proclaimed emperor at the age of 8, and his co-ruler and successor Valentinian II
18333-460: The family of the reigning emperor, Constantine I , and was the first attested individual to be born in that city after its refounding. His father was Julius Constantius , Constantine's younger half-brother, and his mother was a Bithynian noble named Basilina , daughter of a high-ranking bureaucrat, Julianus , who had served as praetorian prefect and head of government under the late emperor Licinius . Julian's mother died shortly after he
18522-500: The family. Following the suicide of Nero, the last descendant of Caesar, the new emperor Galba adopted the name of Servius Galba Caesar Augustus , thus making it part of the imperial title. Five days before his murder he adopted Piso Licinianus as his son and heir, renaming him as Servius Sulpicius Galba Caesar . After this Caesar came to denote the heir apparent, who would add the name to his own as heir and retain it upon accession as augustus . The only emperor not to assume it
18711-457: The finance officer Marcellinus' support of him. After Magnentius took power, he levied taxes, sold imperial estates in Gaul and debased the coinage. Nicholas Baker-Brian also observed how Magnentius sent his brother Decentius to defend the region after Constans had neglected it, writing that, "it is apparent that among the reasons for Magnentius' rebellion was a desire to remedy Constans' governmental failings in Gaul." Emperors are shown with
18900-412: The first emperor, whereas Julius Caesar is considered the last dictator of the Roman Republic , a view that is shared by the Roman writers Plutarch , Tacitus , and Cassius Dio . Conversely, the majority of Roman writers, including Pliny the Younger , Suetonius and Appian , as well as most of the ordinary people of the Empire, thought of Julius Caesar as the first emperor. Caesar did indeed rule
19089-417: The granting of tribunicia potestas in 23 BC, these were only ratifications of the powers he already possessed. Most modern historians use 27 BC as the start date of the Roman Empire. This is mostly a symbolic date, as the Republic had essentially disappeared many years earlier. Ancient writers often ignore the legal implications of Augustus' reforms and simply write that he "ruled" Rome following
19278-523: The harvest was so bad that they had to be compensated with fair prices. Julian accused them of price gouging and forced them to sell. Various parts of Libanius' orations may suggest that both sides were justified to some extent; while Ammianus blames Julian for "a mere thirst for popularity". Julian's ascetic lifestyle was not popular either, since his subjects were accustomed to the idea of an all-powerful Emperor who placed himself well above them. Nor did he improve his dignity with his own participation in
19467-414: The highest imperial title, it was generally not used to indicate the office of Emperor itself, as ordinary people and writers had become accustomed to Imperator . In the East the title was initially translated as Sebastos , but the form Augoustos eventually became more common. Emperors after Heraclius styled themselves as Basileus , but Augoustos still remained in use in a lesser form up until
19656-445: The highest importance in the Republic, making the power attached to those offices permanent, and preventing anyone with similar aspirations from accumulating or maintaining power for themselves. Julius Caesar had been pontifex maximus since 64 BC; held the offices of consul and dictator five times since 59 BC, and was appointed dictator in perpetuity in 44 BC, shortly before his assassination . He had also become
19845-478: The historian Zosimus , the army officers were those responsible for distributing an anonymous tract expressing complaints against Constantius as well as fearing for Julian's ultimate fate. Notably absent at the time was the prefect Florentius, who was seldom far from Julian's side, though now he was kept busy organizing supplies in Vienne and away from any strife that the order could cause. Julian would later blame him for
20034-454: The imperial government was returned to the cities, city council members were compelled to resume civic authority, often against their will, and the tribute in gold by the cities called the aurum coronarium was made voluntary rather than a compulsory tax. Additionally, arrears of land taxes were cancelled. This was a key reform reducing the power of corrupt imperial officials, as the unpaid taxes on land were often hard to calculate or higher than
20223-517: The indecisive Battle of Samarra near Maranga in Mesopotamia, Julian was wounded when the Sassanid army raided his column. In the haste of pursuing the retreating enemy, Julian chose speed rather than caution, taking only his sword and leaving his coat of mail. He received a wound from a spear that reportedly pierced the lower lobe of his liver and intestines . The wound was not immediately deadly. Julian
20412-426: The job, he turned his attention to religious matters. He tried to resurrect the ancient oracular spring of Castalia at the temple of Apollo at Delphi. After being advised that the bones of 3rd-century bishop Babylas were suppressing the god, he made a public-relations mistake in ordering the removal of the bones from the vicinity of the temple. The result was a massive Christian procession. Shortly after that, when
20601-412: The latter's presumed authority over Constans’ territory. After attempting to issue legislation to Africa in 339, which was part of Constans’ realm, Constantine led his army into an invasion of Italy only a year later. However, he was ambushed and killed by Constans’ troops, and Constans then took control of his brother's territories. Constans began his reign in an energetic fashion. From 341 to 342, he led
20790-489: The latter's support of tax increases, as mentioned above, and Florentius's own corruption in the bureaucracy. Constantius attempted to maintain some modicum of control over his Caesar , which explains his removal of Julian's close adviser Saturninius Secundus Salutius from Gaul. His departure stimulated the writing of Julian's oration, "Consolation Upon the Departure of Salutius". In the fourth year of Julian's stay in Gaul,
20979-481: The letter to the Athenians has survived in its entirety). Civil war was avoided only by the death on 3 November of Constantius, who, in his last will, is alleged by some sources to have recognized Julian as his rightful successor. On 11 December 361, Julian entered Constantinople as sole emperor and, despite his rejection of Christianity, his first political act was to preside over Constantius' Christian burial, escorting
21168-459: The loyalty of most of his allies, and – again through a formal process of senatorial consent – an increasing number of the titles and offices that had accrued to Caesar. In August 43 BC, following the death of both consuls of the year , Octavian marched to Rome and forced the Senate to elect him consul. He then formed the Second Triumvirate alongside Mark Antony and Lepidus , dividing
21357-407: The main Persian army was still at large and approaching, while the Romans lacked a clear strategic objective. In the council of war which followed, Julian's generals persuaded him not to mount a siege against the city, given the impregnability of its defences and the fact that Shapur would soon arrive with a large force. Julian, not wanting to give up what he had gained and probably still hoping for
21546-421: The main title of the emperor. According to Suetonius , it was "not merely a new title but a more honorable one, inasmuch as sacred places too, and those in which anything is consecrated by augural rites are called "august" ( augusta ), from the increase ( auctus ) in dignity". It was also connected to the religious practice of augury , which was itself linked to Rome's founding by Romulus , and to auctoritas ,
21735-467: The marginalization of the former heartland of Italy to the empire had a profound cultural impact on the empire and its emperor, which adopted a more Hellenistic character. The Eastern emperors continued to be recognized in the Western kingdoms until the accession of Irene (r. 797–802), the first empress regnant . The Italian heartland was recovered during the reign of Justinian I (r. 527–565), but this
21924-411: The most prominent of them: the consulship and censorship . This early period of the Empire is known as the " Principate ", derived from the title princeps used by the early emperors. The most important bases of the emperor's power were his supreme power of command ( imperium maius ) and tribunician power ( tribunicia potestas ) as personal qualities, separate from his public office. Originally,
22113-505: The murder of Caesar, or that he "ruled alone" after the death of Mark Antony. Most Romans thus simply saw the "emperor" as the individual that ruled the state, with no specific title or office attached to him. Augustus actively prepared his adopted son Tiberius to be his successor and pleaded his case to the Senate for inheritance on merit. After Augustus' death in AD ;14, the Senate confirmed Tiberius as princeps and proclaimed him as
22302-447: The new augustus . Tiberius had already received imperium maius and tribunicia potestas in AD 4, becoming legally equal to Augustus but still subordinate to him in practice. The "imperial office" was thus not truly defined until the accession of Caligula , when all of Tiberius' powers were automatically transferred to him as a single, abstract position that was symbolized by his sacred title of augustus . The legal authority of
22491-459: The north Adriatic coast, an event that threatened to cut Julian off from the rest of his forces, while Constantius's troops marched towards him from the east. Aquileia was subsequently besieged by 23,000 men loyal to Julian. All Julian could do was sit it out in Naissus, the city of Constantine's birth, waiting for news and writing letters to various cities in Greece justifying his actions (of which only
22680-518: The northern frontier, based on Ammianus’ remark that he had discussed the Areani in his now-lost coverage of Constans’ reign. Additionally, after recording attacks “near the frontiers” in 360, the historian wrote that the Alamanni were too much of a threat for Julian to confront the problem, in contrast to what Constans was able to do. Constans was accused of employing corrupt ministers during his reign, due to his purported personal greed. One example included
22869-471: The pass of Succi into Thrace. He was now well out of his comfort zone and on the road to civil war. (Julian would state in late November that he set off down this road "because, having been declared a public enemy, I meant to frighten him [Constantius] merely, and that our quarrel should result in intercourse on more friendly terms..." ) However, in June, forces loyal to Constantius captured the city of Aquileia on
23058-410: The powers of command where divided in consular imperium for Rome and proconsular imperium for the provinces . This division became obsolete in 19 BC, when Augustus was given consular imperium – despite leaving the consulship in 23 BC – and thus control over all troops. This overwhelming power was referred to as imperium maius to indicate its superiority to other holders of imperium , such as
23247-448: The protectors of the Church. The territorial divisions of the Tetrarchy were maintained, and for most of the following century the Empire was ruled by two senior emperors, one in the West (with Milan and later Ravenna as capital) and another in the East (with Constantinople as capital). This division became permanent on the death of Theodosius I in 395, when he was succeeded by his sons Honorius and Arcadius . The two halves of
23436-466: The ravaged provinces' return to prosperity. In 360, he was proclaimed emperor by his soldiers at Lutetia (Paris), sparking a civil war with Constantius. However, Constantius died before the two could face each other in battle, having allegedly named Julian as his successor. In 363, Julian embarked on an ambitious campaign against the Sasanian Empire . The campaign was initially successful, securing
23625-440: The recognition of the Senate. Other "usurpers" controlled, if briefly, the city of Rome, such as Nepotianus and Priscus Attalus . In the East, the possession of Constantinople was the essential element of legitimacy, yet some figures such as Procopius are treated as usurpers. Rival emperors who later gained recognition are not always considered legitimate either; Vetranio had the formal recognition by Constantius II yet he
23814-406: The reverence of the emperor, making anything related to him sacer (sacred). He declared himself Jovius , the son of Jupiter , and his partner Maximian was declared Herculius , son of Hercules . This divine claim was maintained after the rise of Christianity, as emperors regarded themselves as the chosen rulers of God. The emperor no longer needed the Senate to ratify his powers, so he became
24003-509: The routed enemy across the Rhine, Julian now proceeded to follow the Rhine north, the route he followed the previous year on his way back to Gaul. At Moguntiacum ( Mainz ), however, he crossed the Rhine in an expedition that penetrated deep into what is today Germany, and forced three local kingdoms to submit. This action showed the Alamanni that Rome was once again present and active in the area. On his way back to winter quarters in Paris he dealt with
24192-434: The same laws as his subjects. While in Constantinople, therefore, it was not strange to see Julian frequently active in the Senate, participating in debates and making speeches, placing himself at the level of the other members of the Senate. He viewed the royal court of his predecessors as inefficient, corrupt and expensive. Thousands of servants, eunuchs and superfluous officials were therefore summarily dismissed. He set up
24381-412: The siege. Relations between Julian and Marcellus seem to have been poor. Constantius accepted Julian's report of events and Marcellus was replaced as magister equitum by Severus. The following year saw a combined operation planned by Constantius to regain control of the Rhine from the Germanic peoples who had spilt across the river onto the west bank. From the south his magister peditum Barbatio
24570-436: The sole source of law. These new laws were no longer shared publicly and were often given directly to the praetorian prefects – originally the emperor's bodyguard, but now the head of the new praetorian prefectures – or with private officials. The emperor's personal court and administration traveled alongside him, which further made the Senate's role redundant. Consuls continued to be appointed each year, but by this point, it
24759-488: The specifically Christian idea that the emperor was God's chosen ruler on earth, a special protector and leader of the Christian Church, a position later termed Caesaropapism . In practice, an emperor's authority on Church matters was frequently subject to challenge. The Western Roman Empire collapsed in the late 5th century after multiple invasions by Germanic barbarian tribes, with no recognised claimant to Emperor of
24948-466: The state of the administration and for having abandoned the traditions of the past. He made no attempt to restore the tetrarchal system begun under Diocletian , nor did he seek to rule as an absolute autocrat. His own philosophic notions led him to idealize the reigns of Hadrian and Marcus Aurelius . In his first panegyric to Constantius, Julian described the ideal ruler as being essentially primus inter pares ("first among equals"), operating under
25137-420: The succession or to divide the administration of the empire between them. The office of emperor was thought to be distinct from that of a rex ('king'). Augustus, the first emperor, resolutely refused recognition as a monarch. For the first three hundred years of Roman emperors, efforts were made to portray the emperors as leaders of the Republic, fearing any association with the kings who ruled Rome prior to
25326-470: The support of a number of court officials such as Marcellinus , Constans' comes rerum privatarum , as well as Fabius Titianus , who had previously served as the praetorian prefect of Gaul. At the time, Constans was distracted by a hunting trip. As he was trying to reach Hispania , supporters of Magnentius cornered him in a fortification in Helena ( Elne ) in the eastern Pyrenees of southwestern Gaul , where he
25515-520: The temple was destroyed by fire, Julian suspected the Christians and ordered stricter investigations than usual. He also shut up the chief Christian church of the city , before the investigations proved that the fire was the result of an accident. When the curia still took no substantial action in regards to the food shortage, Julian intervened, fixing the prices for grain and importing more from Egypt. Then landholders refused to sell theirs, claiming that
25704-420: The theurgist invited him into the temple of Hecate and, chanting a hymn, caused a statue of the goddess to smile and laugh, and her torches to ignite. Eusebius reportedly told Julian that he "must not marvel at any of these things, even as I marvel not, but rather believe that the thing of the highest importance is that purification of the soul which is attained by reason." In spite of Eusebius' warnings regarding
25893-463: The throne . Despite this, elements of the republican institutional framework (Senate, consuls, and magistrates) were preserved even after the end of the Western Empire. Constantine the Great , the first Christian emperor, moved the capital from Rome to Constantinople , formerly known as Byzantium , in 330 AD. Roman emperors had always held high religious offices; under Constantine there arose
26082-418: The title continued to be used for a time, with emperors registering the number of times they were hailed imperator . The title became the main appellation of the ruler by the time of Vespasian . After the Tetrarchy , emperors began to be addressed as dominus noster ("our Lord"), although imperator continued to be used. The appellation of dominus was known and rejected by Augustus, but ordinary men of
26271-525: The title of caesar . The Senate still exercised some power during this period, as evidenced by his decision to declare Nero a "public enemy", and did influence in the succession of emperors. Following the murder of Domitian in AD 96, the Senate declared Nerva , one of their own, as the new emperor. His "dynasty", the Antonine , continued the adoptive system until the reign of Marcus Aurelius (r. 161–180). Marcus
26460-468: The title of consul was Constans II , who was also the last Eastern emperor to visit Rome. It's possible that later emperors also used it as an honorary title, as the office of consul was not abolished until 892, during the reign of Leo VI . During the Dominate it became increasingly common for emperors to raise their children directly to augustus (emperor) instead of caesar (heir), probably because of
26649-418: The title was Junius Blaesus in AD 22, after which it became a title reserved solely for the sovereign. Augustus used Imperator instead of his first name ( praenomen ), becoming Imperator Caesar instead of Caesar Imperator . From this the title slowly became a synonym of the office, hence the word "emperor". Tiberius , Caligula and Claudius avoided using the title, but it is recorded that Caligula
26838-540: The title were Valentinian III and Marcian , in the 5th century. The only surviving document to directly refer to the emperor's power is the Lex de imperio Vespasiani , written shortly after Vespasian 's formal accession in December 69. The text, of which only the second part survives, states that Vespasian is allowed to: make treaties; hold sessions and propose motions to the Senate; hold extraordinary sessions with legislative power; endorse candidates in elections; expand
27027-409: The tribunes, such as sacrosanctity , since 36 BC. With this powers, he could veto any act or proposal of any magistrate, propose laws and convoke the Senate. His sacrosanctity also made him untouchable, and any offence against him could be treated as a crime of treason. The tribunician power was arguably the most stable and important of the emperor's powers. Despite being a perpetual title, it
27216-514: The triumph of Aemilius Paulus . It was a title held with great pride: Pompey was hailed imperator more than once, as was Sulla and Julius Caesar . However, as noted by Cassius Dio , the meaning of the title changed under the new monarchy, and came to denote "the possession of the supreme power". Both Dio and Suetonius refer to Caesar as the first one to assume imperator as a proper name (a praenomen imperatoris ), but this seems to be an anachronism . The last ordinary general to be awarded
27405-507: The vague terms of "second" or "little emperor". Despite having a successful reign himself, Diocletian's tetrarchic system collapsed as soon as he retired in 305. Constantine I , the son of tetrarch Constantius I , reunited the empire in 324 and imposed the principle of hereditary succession which Diocletian intended to avoid. Constantine was also the first emperor to convert to Christianity , and emperors after him, especially after its officialization under Theodosius I , saw themselves as
27594-423: The value of the land itself. Forgiving back taxes both made Julian more popular and allowed him to increase collections of current taxes. While he ceded much of the authority of the imperial government to the cities, Julian also took more direct control himself. For example, new taxes and corvées had to be approved by him directly rather than left to the judgement of the bureaucratic apparatus. Julian certainly had
27783-501: The way of Christianity and twelve in the true way, i.e., the way of Helios . Julian began his study of Neoplatonism in Asia Minor in 351, at first under Aedesius , the philosopher, and then Aedesius' student Eusebius of Myndus . It was from Eusebius that Julian learned of the teachings of Maximus of Ephesus , whom Eusebius criticized for his more mystical form of Neoplatonic theurgy . Eusebius related his meeting with Maximus, in which
27972-405: The winter to Gaul, distributing his forces to protect various towns, and choosing the small town of Senon near Verdun to await the spring. This turned out to be a tactical error, for he was left with insufficient forces to defend himself when a large contingent of Franks besieged the town and Julian was virtually held captive there for several months, until his general Marcellus deigned to lift
28161-448: The younger age to be more likely. He was the third and youngest son of Constantine I and Fausta . According to the works of both Ausonius and Libanius , he was educated at Constantinople under the tutelage of the poet Aemilius Magnus Arborius , who instructed him in Latin. On 25 December 333, Constans was elevated to the imperial rank of caesar at Constantinople by his father. Prior to 337, Constans became engaged to Olympias ,
28350-654: Was Constantine XI Palaiologos , who died during the Fall of Constantinople to the Ottoman Empire in 1453. After conquering the city, Ottoman sultans adopted the title " Caesar of the Romans" ( kayser-i Rûm ). A Byzantine group of claimant emperors existed in the Empire of Trebizond until its conquest by the Ottomans in 1461, although they had used a modified title since 1282. Modern historians conventionally regard Augustus as
28539-614: Was Nevitta , Julian's trusted Frankish general. This latter appointment made overt the fact that an emperor's authority depended on the power of the army. Julian's choice of Nevitta appears to have been aimed at maintaining the support of the Western army which had acclaimed him. After five months of dealings at the capital, Julian left Constantinople in May and moved to Antioch , arriving in mid-July and staying there for nine months before launching his fateful campaign against Persia in March 363. Antioch
28728-415: Was Vitellius , who adopted the name Germanicus instead. Most emperors used it as their nomen – with Imperator as their praenomen – until the reign of Antoninus Pius , when it permanently became part of the formula Imperator Caesar [full name] Augustus . In the 3rd century, caesars also received the honorific of nobilissimus ("most noble"), which later evolved into a separate title. During
28917-467: Was acclaimed augustus at Augustodunum ( Autun ) with the support of Marcellinus, the comes rei privatae . Magnentius overthrew and killed Constans. Surviving sources, possibly influenced by the propaganda of Magnentius's faction, accuse Constans of misrule and of homosexuality. Sources variously report Constans’ age at the time of his death as 27 or 30, meaning he was born in either 320 or 323. Timothy Barnes , observing numismatic evidence, considered
29106-523: Was a city favored by splendid temples along with a famous oracle of Apollo in nearby Daphne, which may have been one reason for his choosing to reside there. It had also been used in the past as a staging place for amassing troops, a purpose which Julian intended to follow. His arrival on 18 July was well received by the Antiochenes, though it coincided with the celebration of the Adonia , a festival which marked
29295-548: Was a complete failure, and by 345 Constans was outright threatening civil war against his brother. Eventually, Constantius agreed to allow Athanasius to return to his position, as the bishop's replacement had recently died. Constans also used the military to suppress Donatism in Africa, where the church was split between Donatists and Catholics. Unlike Constantius, Constans was targeted with gossip over his personal life. Numerous sources suspected him of homosexuality, presumably based on
29484-502: Was also used to distinguish a junior co-emperor ( basileus ) from his senior colleague ( basileus autokrator ). By the times of the Palaiologos , there were two distinct ceremonies for the accession of an emperor: first an acclamation as basileus , and later a coronation as autokrator (which also included being raised on a shield). These rites could happen years apart. The Eastern Empire became not only an absolute monarchy but also
29673-512: Was always renewed each year, which often coincided with the beginning of a new regnal year (although " regnal years " were not officially adopted until Justinian I ). The office of censor was not fully absorbed into the imperial office until the reign of Domitian , who declared himself "perpetual censor" ( censor perpetuus ) in AD 85. Before this, the title had been only used by Claudius (47), Vespasian and Titus (both in 73). The emperor also had power over religious affairs, which led to
29862-446: Was an office often occupied by the emperor himself, who now had complete control over the bureaucratic apparatus. Diocletian did preserve some Republican traditions, such as the tribunicia potestas . The last known emperor to have used it was Anastasius I , at the start of the 6th century. Anastasius was also the last attested emperor to use the traditional titles of proconsul and pater patriae . The last attested emperor to use
30051-476: Was born, and he spent his childhood in Constantinople, forming a lasting attachment to the city. Julian was probably raised with Greek as his first language, and, being the nephew of Rome's first Christian emperor, he was brought up under the Christian faith. In the turmoil after the death of Constantine in 337, in order to establish himself and his brothers, Julian's cousin Constantius II appears to have led
30240-412: Was buried outside Tarsus , though it was later moved to Constantinople. In 364, Libanius stated that Julian was assassinated by a Christian who was one of his own soldiers; this charge is not corroborated by Ammianus Marcellinus or other contemporary historians. John Malalas reports that the supposed assassination was commanded by Basil of Caesarea . Fourteen years later, Libanius said that Julian
30429-401: Was by definition a plebeian , whereas Augustus, although born into a plebeian family, had become a patrician when he was adopted into the gens Julia . By adopting the role of a tribune, Augustus was presenting himself as the representative of the common man and the protector of democracy. As always, this was not a sudden grant of power; Augustus had been receiving several powers related to
30618-509: Was exhumed and reburied in or near the Church of the Holy Apostles in Constantinople, where Constantine and the rest of his family lay. His sarcophagus is listed as standing in a "stoa" there by Constantine Porphyrogenitus . The church was demolished by the Ottomans after the fall of Constantinople in 1453. Today a sarcophagus of porphyry , believed by Jean Ebersolt to be Julian's, stands in
30807-452: Was following the precedent set by his father. Only a short while later though, he tried to moderate his stance by legislating against the destruction of temple buildings. Constans’ support of Nicene orthodoxy and the bishop Athanasius of Alexandria brought him into conflict with his brother Constantius. Although the two emperors called the Council of Serdica in 343 to settle the conflict, it
30996-419: Was hailed imperator by the Senate on his accession, indicating that it was already considered an integral part of the dignity. It was not until the late reign of Nero , in AD 66, that imperator became once more part of the emperor's nomenclature. Virtually all emperors after him used the praenomen imperatoris , with only a few variations under his successors Galba and Vitellius . The original meaning of
31185-451: Was in search of." Constantine II died in 340 when he attacked his brother Constans. Constans in turn fell in 350 in the war against the usurper Magnentius . This left Constantius II as the sole remaining emperor. In need of support, in 351 he made Julian's half-brother, Gallus , caesar of the East, while Constantius II himself turned his attention westward to Magnentius, whom he defeated decisively that year. In 354 Gallus, who had imposed
31374-404: Was in the habit of making journeys with only a small escort may account for his vulnerability in 350." Based on several factors - the small number of people behind the plot, how the setting for Magnentius' coup was not a military centre, Vetranio 's proclamation as emperor in opposition to Magnentius, and Julian's report that the usurper had to murder several of Constans' generals to take control of
31563-475: Was killed after seeking sanctuary in a temple. An alleged prophecy at his birth had said Constans would die "in the arms of his grandmother". His place of death happens to have been named after Helena , mother of Constantine and his own grandmother, thus realizing the prophecy. Constans' name would later be erased from inscriptions in places that recognized Magnentius as emperor. Regarding possible motives for Constans' overthrow, ancient sources assert that he
31752-442: Was killed by a Saracen ( Lakhmid ) and this may have been confirmed by Julian's doctor Oribasius who, having examined the wound, said that it was from a spear used by a group of Lakhmid auxiliaries in Persian service. Later Christian historians propagated the tradition that Julian was killed by Saint Mercurius . Julian was succeeded by the short-lived Emperor Jovian who reestablished Christianity's privileged position throughout
31941-426: Was no distinction between emperors and usurpers, as many emperors started as rebels and were retroactively recognized as legitimate. The Lex de imperio Vespasiani explicitly states that all of Vespasian's actions are considered legal even if they happened before his recognition by the Senate. Ultimately, "legitimacy was a post factum phenomenon." Theodor Mommsen famously argued that "here has probably never been
32130-600: Was not relevant in the early Empire, although emperors still attempted to maintain a familiar connection between them; Tiberius , for example, married Julia the Elder , making him Augustus ' son-in-law. Vespasian , who took power after the collapse of the Julio-Claudian dynasty and the tumultuous Year of the Four Emperors , was the first emperor to openly declare his sons, Titus and Domitian , as his sole heirs, giving them
32319-436: Was nothing he could do when he found that the Persians had flooded the area behind him, forcing him to withdraw. A second council of war on 16 June 363 decided that the best course of action was to lead the army back to the safety of Roman borders, not through Mesopotamia , but northward to Corduene . During the withdrawal, Julian's forces suffered several attacks from Sassanid forces. In one such engagement on 26 June 363,
32508-479: Was obliged to cede territory, including Nisibis , in order to save the trapped Roman forces. Julian and Jovian were the last sole emperors to rule the whole Empire for their entire reign, after which it was permanently divided between a Western and Eastern court. Julian was the last non-Christian ruler of the Roman Empire, and he believed that it was necessary to restore the Empire's ancient Roman values and traditions in order to save it from dissolution. He purged
32697-407: Was overthrown and expelled to Dalmatia in favor of Romulus, continued to claim the title until his murder in 480. The Eastern court recognized this claim and Odoacer minted coins in his name, although he never managed to exercise real power. The death of Nepos left Zeno as the sole emperor of a (technically) reunited Roman Empire. The Roman Empire survived in the East for another 1000 years, but
32886-412: Was proclaimed emperor at the age of 4. Many child emperors such as Philip II or Diadumenian never succeeded their fathers. These co-emperors all had the same honors as their senior counterpart, but they did not share the actual government, hence why junior co-emperors are usually not counted as real emperors by modern or ancient historians. There was no title to denote the "junior" emperor; writers used
33075-413: Was replaced with dominus ("lord"); the use of princeps and dominus broadly symbolizes the differences in the empire's government, giving rise to the era designations Principate and Dominate . The title is still found in some later sources, however. The poet Claudian , for example, describes Honorius as having been raised from " caesar " to " princeps " (instead of augustus ). The title survived
33264-599: Was reverted by the end of the century. Rome technically remained under imperial control , but was completely surrounded by the Lombards . Africa was lost to the Arabs in the early 7th century, and Rome eventually fell to the Lombards in 751, during the reign of Constantine V . The Frankish king Pepin the Short defeated them and received the favour of Pope Stephen II , who became the head of
33453-580: Was summoned to appear before the emperor in Mediolanum and on 6 November was made Caesar of the West, marrying Constantius' sister, Helena . Constantius, after his experience with Gallus, intended his representative to be more a figurehead than an active participant in events, so he packed Julian off to Gaul with a small retinue, assuming his prefects in Gaul would keep Julian in check. At first reluctant to trade his scholarly life for war and politics, Julian eventually took every opportunity to involve himself in
33642-406: Was taken by the Roman central government, which would be more and more dominated by Christians in the ensuing decades. Considered apocryphal is the report that his dying words were νενίκηκάς με, Γαλιλαῖε , or Vicisti, Galilaee ("You have won, Galilean "), supposedly expressing his recognition that, with his death, Christianity would become the Empire's state religion. The phrase introduces
33831-434: Was the first emperor to actually use the title of "Roman emperor" (βασιλεύς Ῥωμαίων, Basileus Romaíon ). This was a response to the new line of emperors created by Charlemagne – although he was recognized as basileus of the Franks . By the 9th century the full imperial title became " basileus and autokrator of the Romans", usually translated as "Emperor and Autocrat of the Romans". The title autokrator
34020-409: Was the first emperor to rule alongside other emperors, first with his adoptive brother Lucius Verus , who succeeded jointly with him, and later with his son Commodus , who was proclaimed co- augustus in 177. Despite being the son of a previous emperor and having nominally shared government with him, Commodus' rule ended with his murder at the hands of his own soldiers. From his death in 192 until
34209-497: Was the only person the Alamanni feared after the death of Constans. In the early months of 343, he visited Britain , an event celebrated enough for Libanius to dedicate several sections of his panegyric to explaining it. Although the reasons for the visit remain unclear, the ancient writers were primarily interested in Constans’ precarious journey to the province, rather than his actions within it. One theory considers it to have involved
34398-602: Was the real "usurper" (having been proclaimed by his troops). There were no true objective legal criteria for being acclaimed emperor beyond acceptance by the Roman army , which was really the true basis of imperial power. Common methods used by emperors to assert claims of legitimacy, such as support of the army, blood connections (sometimes fictitious) to past emperors, distributing one's own coins or statues, and claims to pre-eminent virtue through propaganda, were pursued just as well by many usurpers as they were by legitimate emperors. Septimius Severus notably declared himself as
34587-408: Was the title used by early writers before the term imperator became popular. In his Res Gestae , Augustus explicitly refers to himself as the princeps senatus . The title was also sometimes given to heirs, in the form of princeps iuventutis ("first of the youth"), a term that continued to be used during the Tetrarchy . In the era of Diocletian and beyond, princeps fell into disuse and
34776-504: Was to come from Milan and amass forces at Augst (near the Rhine bend), then set off north with 25,000 soldiers; Julian with 13,000 troops would move east from Durocortorum ( Rheims ). However, while Julian was in transit, a group of Laeti attacked Lugdunum ( Lyon ) and Julian was delayed in order to deal with them. This left Barbatio unsupported and deep in Alamanni territory, so he felt obliged to withdraw, retracing his steps. Thus ended
34965-427: Was to drive out the barbarians who had breached the Rhine frontier. He sought to win over the support of the civil population, which was necessary for his operations in Gaul, and also to show his largely Germanic army the benefits of Imperial rule. Julian therefore felt it was necessary to rebuild stable and peaceful conditions in the devastated cities and countryside. For this reason, Julian clashed with Florentius over
35154-477: Was treated by his personal physician, Oribasius of Pergamum, who seems to have made every attempt to treat the wound. This probably included the irrigation of the wound with a dark wine , and a procedure known as gastrorrhaphy , the suturing of the damaged intestine. On the third day a major hemorrhage occurred and the emperor died during the night. Some Christian writers reported that his final words were "Thou hast conquered, Galilean.” As Julian wished, his body
35343-456: Was under the guardianship of Eusebius , the semi-Arian Christian Bishop of Nicomedia, and taught by Mardonius , a Gothic eunuch , about whom he later wrote warmly. After Eusebius died in 342, both Julian and Gallus were transferred to the imperial estate of Macellum in Cappadocia . Here Julian met the Christian bishop George of Cappadocia , who lent him books from the classical tradition. At
35532-600: Was where two earlier Roman campaigns had concentrated and where the main Persian forces were soon directed. Julian's strategy lay elsewhere, however. He had had a fleet built of over 1,000 ships at Samosata in order to supply his army for a march down the Euphrates and of 50 pontoon ships to facilitate river crossings. Procopius and the Armenians would march down the Tigris to meet Julian near Ctesiphon. Julian's ultimate aim seems to have been "regime change" by replacing king Shapur II with his brother Hormisdas . After feigning
35721-482: Was widely unpopular, and attribute his downfall to his own failings. Along with the accusation of corruption, he is also accused of neglecting portions of the empire and treating his soldiers with contempt. Ammianus lamented the emperor's failure to listen to wise counsel, referencing one man he believed could have saved Constans from his own faults. However, some modern scholars have questioned this portrayal. According to historian Jill Harries , "The detail that Constans
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