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124-792: After the decline of the Western Roman Empire in 476, economic disorder and disruption of trade spread across Europe. This was the beginning of the Early Middle Ages , which lasted roughly until the 14th century, when trade increased, population began to expand and the people regained their authority. In the late Middle Ages, the political structure of the European continent slowly coalesced from small, turbulent fiefdoms into larger, more stable nation states ruled by monarchies . In Italy, urban centers arose, populated by merchant and trade classes able to defend themselves. Money replaced land as

248-512: A Roman invasion. King Gaiseric tried to negotiate a peace with Majorian, who rejected the proposal. In the wake of this, Gaiseric devastated Mauretania , part of his own kingdom, fearing that the Roman army would land there. Having regained control of Hispania, Majorian intended to use his fleet at Carthaginiensis to attack the Vandals. Before he could, the fleet was destroyed, allegedly by traitors paid by

372-555: A West continued, as happened after the deaths of Constantine and Theodosius I . The Roman Empire was under the rule of a single emperor, but, with the death of Constantine in 337, the empire was partitioned between his surviving male heirs. Constantius , his third son and the second by his wife Fausta (Maximian's daughter) received the eastern provinces, including Constantinople, Thrace , Asia Minor , Syria , Egypt , and Cyrenaica; Constantine II received Britannia, Gaul , Hispania, and Mauretania ; and Constans , initially under

496-614: A candidate of their own, Julius Nepos , magister militum in Dalmatia . With the support of Eastern emperors Leo II and Zeno , Julius Nepos crossed the Adriatic Sea in the spring of 474 to depose Glycerius. At the arrival of Nepos in Italy, Glycerius abdicated without a fight and was allowed to live out his life as the Bishop of Salona . The brief rule of Nepos in Italy ended in 475 when Orestes ,

620-443: A financial account, Valentinian suddenly leaped from his seat and declared that he would no longer be the victim of Aetius' drunken depravities. Aetius attempted to defend himself from the charges, but Valentinian drew his sword and struck the weaponless Aetius on the head, killing him on the spot. On 16 March the following year, Valentinian himself was killed by supporters of the dead general, possibly acting for Petronius Maximus. With

744-530: A former secretary of Attila and the magister militum of Julius Nepos, took control of Ravenna and forced Nepos to flee by ship to Dalmatia . Later in the same year, Orestes crowned his own young son as Western emperor under the name Romulus Augustus . Romulus Augustus was not recognised as Western emperor by the Eastern Court, who maintained that Nepos was the only legal Western emperor, reigning in exile from Dalmatia . On 4 September 476, Odoacer , leader of

868-592: A gradual Romanization . While the predominantly Greek culture of the East and the predominantly Latin culture of the West functioned effectively as an integrated whole, political and military developments would ultimately realign the Empire along those cultural and linguistic lines. More often than not, Greek and Latin practices (and to some extent the languages themselves) would be combined in fields such as history (e.g., those by Cato

992-623: A lasting peace with the Parthians. The Parthian Empire would be succeeded by the Sasanian Empire, which continued hostilities with the Roman Empire. Controlling the western border of Rome was reasonably easy because it was relatively close to Rome itself and also because of the disunity among the Germans. However, controlling both frontiers simultaneously during wartime was difficult. If the emperor

1116-521: A leader, speaking in unison under his command. Only Lactantius , a contemporary of Diocletian and a deep ideological opponent of the Diocletianic state, referred to the tetrarchs as a simple multiplicity of rulers. Much modern scholarship was written without the term. Although Edward Gibbon pioneered the description of the Diocletianic government as a "New Empire", he never used the term "tetrarchy"; neither did Theodor Mommsen . It did not appear in

1240-500: A long-term territorial and official base, but was never able to do so. Stilicho tried to defend Italy and bring the invading Goths under control, but to do so he stripped the Rhine frontier of troops and the Vandals , Alans , and Suevi invaded Gaul in large numbers in 406. Stilicho became a victim of court intrigues and was killed in 408. While the East began a slow recovery and consolidation,

1364-461: A matter of years, the East–West administrative division would endure in one form or another over the coming centuries. As such, the unofficial Western Roman Empire would exist intermittently in several periods between the 3rd and 5th centuries. Some emperors, such as Constantine I and Theodosius I , governed, if briefly, as the sole Augustus across the Roman Empire. On the death of Theodosius in 395,

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1488-601: A partial list of its consuls still survives. It maintained Roman religion, language, and culture, and was far more concerned with fighting the Germanic tribes , fending off Germanic incursions and restoring the security the Gallic provinces had enjoyed in the past, than in challenging the Roman central government. In the reign of Claudius Gothicus (268–270), large expanses of the Gallic Empire were restored to Roman rule. At roughly

1612-516: A poem for the Duke of Urbino . [REDACTED] The dictionary definition of quattrocento at Wiktionary Western Roman Empire In modern historiography , the Western Roman Empire was the western provinces of the Roman Empire , collectively, during any period in which they were administered separately from the eastern provinces by a separate, independent imperial court. Particularly during

1736-541: A port on the Adriatic coast, and Eboracum (modern York , in northern England near the Celtic tribes of modern Scotland and Ireland), were also significant centres for Maximian and Constantius respectively. In terms of regional jurisdiction there was no precise division among the four tetrarchs, and this period did not see the Roman state actually split up into four distinct sub-empires. Each emperor had his zone of influence within

1860-454: A praetorian prefecture), see Roman province . In the West, the augustus Maximian controlled the provinces west of the Adriatic Sea and the Syrtis , and within that region his caesar , Constantius, controlled Gaul and Britain. In the East, the arrangements between the augustus Diocletian and his caesar , Galerius, were much more flexible. Although power was shared in the tetrarchic system,

1984-413: A quarter of a kingdom as they saw fit; the Diocletianic tetrarchy was a college led by a single supreme leader. When later authors described the period, this is what they emphasized: Ammianus had Constantius II admonish Gallus for disobedience by appealing to the example in submission set by Diocletian's lesser colleagues; his successor Julian compared the Diocletianic tetrarchs to a chorus surrounding

2108-516: A series of puppet emperors who could do little to halt the collapse of Roman authority and the loss of the territories re-conquered by Majorian. The first of these puppet emperors, Libius Severus , had no recognition outside of Italy, with the Eastern emperor Leo I and provincial governors in Gaul and Illyria all refusing to recognize him. Severus died in 465 and Leo I, with the consent of Ricimer, appointed

2232-586: A single emperor to govern the entire Empire was institutionalized by emperor Diocletian following the disastrous civil wars and disintegrations of the Crisis of the Third Century . He introduced the system of the Tetrarchy in 286, with two senior emperors titled Augustus , one in the East and one in the West, each with an appointed subordinate and heir titled Caesar . Though the tetrarchic system would collapse in

2356-476: Is divided among four individuals. Although the term "tetrarch" was current in antiquity, it was never used in the imperial college (as it's often called) under Diocletian. Instead, the term was used to describe independent portions of a kingdom that were ruled under separate leaders. The tetrarchy of Judaea , established after the death of Herod the Great , is the most famous example of the antique tetrarchy. The term

2480-523: Is sometimes used to mark the transition from Antiquity to the Middle Ages . Odoacer's Italy and other barbarian kingdoms , many of them representing former Western Roman allies that had been granted lands in return for military assistance, would maintain a pretense of Roman continuity through the continued use of the old Roman administrative systems and nominal subservience to the Eastern Roman court. In

2604-559: The Battle of Mursa Major and committed suicide, a complete reunification of the whole Empire occurred under Constantius in 353. Constantius II focused most of his power in the East. Under his rule, the city of Byzantium – only recently re-founded as Constantinople – was fully developed as a capital. At Constantinople, the political, economic and military control of the Eastern Empire's resources would remain safe for centuries to come. The city

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2728-472: The Battle of Samarra against the Sasanian Empire and was succeeded by Jovian , who ruled for only nine months. Following the death of Jovian, Valentinian I emerged as emperor in 364. He immediately divided the Empire once again, giving the eastern half to his brother Valens . Stability was not achieved for long in either half, as the conflicts with outside forces (barbarian tribes) intensified. In 376,

2852-456: The Domain of Soissons ) also recognized Nepos as his sovereign and the legitimate Western emperor. The authority of Julius Nepos as emperor was accepted not only by Odoacer in Italy, but by the Eastern Empire and Syagrius in Gaul (who had not recognized Romulus Augustulus). Nepos was murdered by his own soldiers in 480, a plot some attribute to Odoacer or the previous, deposed emperor Glycerius, and

2976-521: The First Jewish–Roman War . To ensure a commander's loyalty, a pragmatic emperor might hold some members of the general's family hostage . To this end, Nero effectively held Domitian and Quintus Petillius Cerialis , Governor of Ostia , who were respectively the younger son and brother-in-law of Vespasian. Nero's rule was ended by a revolt of the Praetorian Guard , who had been bribed in

3100-617: The Gildonic War . Stilicho managed to subdue Gildo but was campaigning in Raetia when the Visigoths entered Italy in 402. Stilicho, hurrying back to aid in defending Italy, summoned legions in Gaul and Britain with which he managed to defeat Alaric twice before agreeing to allow him to retreat back to Illyria . The weakening of the frontiers in Britain and Gaul had dire consequences for the Empire. As

3224-464: The Parthian Empire in the East presented the greatest threat to the Empire. The Parthians were too remote and powerful to be conquered and there was a constant Parthian threat of invasion. The Parthians repelled several Roman invasions, and even after successful wars of conquest, such as those implemented by Trajan or Septimius Severus , the conquered territories were forsaken in attempts to ensure

3348-512: The Roman Senate . Though supported by the Gallic provinces and the Visigoths, Avitus was resented in Italy due to ongoing food shortages caused by Vandal control of trade routes, and for using a Visigothic imperial guard. He disbanded his guard due to popular pressure, and the Suebian general Ricimer used the opportunity to depose Avitus, counting on popular discontent. After the deposition of Avitus,

3472-637: The Second Tetrarchy . The Tetrarchy collapsed after the unexpected death of Constantius in 306. His son, Constantine , was declared Western emperor by the British legions, but several other claimants arose and attempted to seize the Western Empire. In 308, Galerius revived the Tetrarchy by dividing the Western Empire between Constantine and Licinius . However, Constantine was more interested in conquering

3596-573: The Temple of Jupiter Optimus Maximus . The severity of the Vandal sack of 455 is disputed, though with the Vandals plundering the city for a full fourteen days as opposed to the Visigothic sack of 410, where the Visigoths only spent three days in the city, it was likely more thorough. Avitus , a prominent general under Petronius, was proclaimed emperor by the Visigothic king Theodoric II and accepted as such by

3720-612: The Visigoths , fleeing before the Ostrogoths , who in turn were fleeing before the Huns , were allowed to cross the river Danube and settle in the Balkans by the Eastern government. Mistreatment caused a full-scale rebellion, and in 378 they inflicted a crippling defeat on the Eastern Roman field army in the Battle of Adrianople , in which Emperor Valens also died. The defeat at Adrianople was shocking to

3844-517: The civil war of 218 between Emperor Macrinus and Elagabalus . As the Empire expanded, two key frontiers revealed themselves. In the West, behind the rivers Rhine and Danube , Germanic tribes were an important enemy. Augustus, the first emperor, had tried to conquer them but had pulled back after the disastrous Battle of the Teutoburg Forest . Whilst the Germanic tribes were formidable foes,

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3968-596: The fall of Constantinople to the Ottoman Empire , and it has been compared with the Timurid Renaissance which unfolded at the same time in Central Asia. Quattrocento art shed the decorative mosaics typically associated with Byzantine art along with Christian and Gothic media, as well as styles in stained glass , frescoes , illuminated manuscripts and sculpture . Instead, Quattrocento artists incorporated

4092-545: The 3rd century. This system effectively divided the Empire into four major regions, the First Tetrarchy : in the West, Maximian made Mediolanum (now Milan ) his capital, and Constantius made Trier his. In the East, Galerius made his capital Sirmium and Diocletian made Nicomedia his. On 1 May 305, Diocletian and Maximian abdicated, replaced by Galerius and Constantius, who, in turn, appointed Maximinus II and Valerius Severus , respectively, as their caesars, thus creating

4216-462: The 6th century, Emperor Justinian I re-imposed direct Imperial rule on large parts of the former Western Roman Empire, including the prosperous regions of North Africa , the ancient Roman heartland of Italy and parts of Hispania . Political instability in the Eastern heartlands, combined with foreign invasions, plague, and religious differences, made efforts to retain control of these territories difficult and they were gradually lost for good. Though

4340-623: The Eastern Empire retained territories in the south of Italy until the eleventh century, the influence that the Empire had over Western Europe had diminished significantly. The papal coronation of the Frankish king Charlemagne as Roman Emperor in 800 marked a new imperial line that would evolve into the Holy Roman Empire , which presented a revival of the Imperial title in Western Europe but

4464-402: The Eastern emperor Leo I did not select a new western Augustus . The prominent general Majorian defeated an invading force of Alemanni and was subsequently proclaimed Western emperor by the army and eventually accepted as such by Leo. Majorian was the last Western emperor to attempt to recover the Western Empire with his own military forces. To prepare, Majorian significantly strengthened

4588-487: The Eastern emperor Theodosius I restored him to power. In 392, the Frankish and pagan magister militum Arbogast assassinated Valentinian II and proclaimed an obscure senator named Eugenius as emperor. In 394 the forces of the two halves of the Empire again clashed with great loss of life. Again Theodosius I won, and he briefly ruled a united Empire until his death in 395. He was the last emperor to rule both parts of

4712-466: The Eastern emperor Zeno chose not to appoint a new Western emperor. Zeno, recognizing that no true Roman control remained over the territories legally governed by the Western court, instead chose to abolish the juridical division of the position of emperor and declared himself the sole emperor of the Roman Empire. Zeno became the first sole Roman emperor since the division after Theodosius I, 85 years prior, and

4836-517: The Elder ), philosophy and rhetoric . Minor rebellions and uprisings were fairly common events throughout the Empire. Conquered tribes or oppressed cities would revolt, and the legions would be detached to crush the rebellion. While this process was simple in peacetime, it could be considerably more complicated in wartime. In a full-blown military campaign , the legions were far more numerous – as, for example, those led by Vespasian in

4960-454: The Empire to have been split into two empires but viewed it as a single polity governed by two imperial courts for administrative expediency. The Western Empire collapsed in 476, and the Western imperial court in Ravenna disappeared by AD 554, at the end of Justinian 's Gothic War . Though there were periods with more than one emperor ruling jointly before, the view that it was impossible for

5084-464: The Empire. Aetius transferred his forces to the Danube, though Attila concentrated on raiding the Eastern Roman provinces in the Balkans, providing temporary relief to the Western Empire. In 449, Attila received a message from Honoria , Valentinian III's sister, offering him half the western empire if he would rescue her from an unwanted marriage that her brother was forcing her into. With a pretext to invade

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5208-579: The Gallo-Roman senator Jovinus revolted after proclaiming himself emperor, with the support of the Gallic nobility and the barbarian Burgundians and Alans. Honorius turned to the Visigoths under King Athaulf for support. Athaulf defeated and executed Jovinus and his proclaimed co-emperor Sebastianus in 413, around the same time as another usurper arose in Africa , Heraclianus . Heraclianus attempted to invade Italy but failed and retreated to Carthage, where he

5332-551: The German provinces – rebelled, and his assault on Colonia Agrippina resulted in the deaths of Saloninus and the prefect. In the confusion that followed, an independent state known in modern historiography as the Gallic Empire emerged. Its capital was Augusta Treverorum (modern Trier ), and it quickly expanded its control over the German and Gaulish provinces, all of Hispania and Britannia . It had its own senate , and

5456-536: The Germanic foederati in Italy, captured Ravenna, killed Orestes and deposed Romulus. Though Romulus was deposed, Nepos did not return to Italy and continued to reign as Western emperor from Dalmatia , with support from Constantinople. Odoacer proclaimed himself ruler of Italy and began to negotiate with the Eastern emperor Zeno . Zeno eventually granted Odoacer patrician status as recognition of his authority and accepted him as his viceroy of Italy. Zeno, however, insisted that Odoacer had to pay homage to Julius Nepos as

5580-602: The Great ; thus, much of the aristocracy was of Greek origin. The whole region, especially the major cities, had been largely assimilated into Greek culture, Greek often serving as the lingua franca . Octavian obtained the Roman provinces of the West: Italia (modern Italy), Gaul (modern France), Gallia Belgica (parts of modern Belgium, the Netherlands and Luxembourg ), and Hispania (modern Spain and Portugal). These lands also included Greek and Carthaginian colonies in

5704-599: The Hun homelands along the Danube, forced Attila to turn back and leave Italy. When Attila died unexpectedly in 453, the power struggle that erupted between his sons ended the threat posed by the Huns. Valentinian III was intimidated by Aetius and was encouraged by the Roman senator Petronius Maximus and the chamberlain Heraclius to assassinate him. When Aetius was at court in Ravenna delivering

5828-448: The Hunnic forces, though Attila escaped. Attila regrouped and invaded Italy in 452. With Aetius not having enough forces to attack him, the road to Rome was open. Valentinian sent Pope Leo I and two leading senators to negotiate with Attila. This embassy, combined with a plague among Attila's troops, the threat of famine, and news that the Eastern emperor Marcian had launched an attack on

5952-593: The Rhine frontier in the 4th century, when Trier frequently served as a military capital of sorts for the Empire. Many leading Western generals were barbarians . The reign of Honorius was, even by Western Roman standards, chaotic and plagued by both internal and external struggles. The Visigothic foederati under Alaric, magister militum in Illyricum , rebelled in 395. Gildo , the Comes Africae and Magister utriusque militiae per Africam , rebelled in 397 and initiated

6076-411: The Roman Empire before the West fragmented and collapsed. Theodosius I's older son Arcadius inherited the eastern half while the younger Honorius got the western half. Both were still minors and neither was capable of ruling effectively. Honorius was placed under the tutelage of the half-Roman/half-barbarian magister militum Flavius Stilicho , while Rufinus became the power behind the throne in

6200-480: The Roman Empire sank into a 50-year period of civil war now known as the Crisis of the Third Century. During this period, the Empire saw the combined pressures of barbarian invasions and migrations into Roman territory, civil wars, peasant rebellions and political instability, with multiple usurpers competing for power. The idea of dividing the empire was first developed in this time; Valerian and his son Gallienus divided

6324-462: The Roman Empire, but little more, mainly high command in a 'war theater'. Each tetrarch was himself often in the field, while delegating most of the administration to the hierarchic bureaucracy headed by his respective praetorian prefect , each supervising several vicarii , the governors-general in charge of another, lasting new administrative level, the civil diocese . For a listing of the provinces, now known as eparchy , within each quarter (known as

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6448-731: The Romanized population subject to invasions, first by the Picts and then by the Saxons , Angli , and the Jutes who began to settle permanently from about 440 onwards. After Honorius accepted Constantine as co-emperor, Constantine's general in Hispania, Gerontius , proclaimed Maximus as emperor. With the aid of general Constantius , Honorius defeated Gerontius and Maximus in 411 and shortly thereafter captured and executed Constantine III. With Constantius back in Italy,

6572-547: The Romans, and forced them to negotiate with and settle the Visigoths within the borders of the Empire, where they would become semi-independent foederati under their own leaders. More than in the East, there was also opposition to the Christianizing policy of the emperors in the western part of the Empire. In 379, Valentinian I's son and successor Gratian declined to wear the mantle of Pontifex Maximus , and in 382 he rescinded

6696-480: The Tetrarchy a number of important military victories were secured. Both the dyarchic and the tetrarchic system ensured that an emperor was near to every crisis area to personally direct and remain in control of campaigns simultaneously on more than just one front. After suffering a defeat by the Persians in 296, Galerius crushed Narseh in 298—reversing a series of Roman defeats throughout the century—capturing members of

6820-469: The Tetrici were pardoned, although they were first paraded in a triumph. Diocletian divided the Roman Empire when, in 286, he elevated Maximian to the rank of Augustus (emperor) and gave him control of the Western Empire, while he continued to rule the East. In 293, Galerius and Constantius Chlorus were appointed as their subordinate ( caesars ), as a way to avoid the civil unrest that had marked

6944-530: The Vandals and Africa. Not only did the Vandals pose a constant danger to coastal Italy and trade in the Mediterranean, but the province they ruled was economically vital to the survival of the West. Majorian began a campaign to fully reconquer Hispania to use it as a base for the reconquest of Africa. Throughout 459, Majorian campaigned against the Suebi in northwestern Hispania. The Vandals began to increasingly fear

7068-429: The Vandals, Alans and Suebi , to cross the river and enter Roman territory in 406. Honorius was convinced by the minister Olympius that Stilicho was conspiring to overthrow him, and so arrested and executed Stilicho in 408. Olympius headed a conspiracy that orchestrated the deaths of key individuals related to the faction of Stilicho, including his son and the families of many of his federated troops. This led many of

7192-409: The Vandals. Deprived of his fleet, Majorian had to cancel his attack on the Vandals and conclude a peace with Gaiseric. Disbanding his barbarian forces, Majorian intended to return to Rome and issue reforms, stopping at Arelate on his way. Here, Ricimer deposed and arrested him in 461, having gathered significant aristocratic opposition against Majorian. After five days of beatings and torture, Majorian

7316-428: The Visigoths in 437 and 438 but suffering a defeat himself in 439, ending the conflict in a status quo ante with a treaty. Meanwhile, pressure from the Visigoths and a rebellion by Bonifacius , the governor of Africa, induced the Vandals under King Gaiseric to cross from Spain to Tingitana in what is now Morocco in 429. They temporarily halted in Numidia in 435 before moving eastward. With Aetius occupied in Gaul,

7440-647: The Visigoths, hoping to halt their expansion. The trial and subsequent execution of Romanus , an Italian senator and friend of Ricimer, on the grounds of treachery in 470 made Ricimer hostile to Anthemius. Following two years of ill feeling, Ricimer deposed and killed Anthemius in 472, elevating Olybrius to the Western throne. During the brief reign of Olybrius, Ricimer died and his nephew Gundobad succeeded him as magister militum . After only seven months of rule, Olybrius died of dropsy . Gundobad elevated Glycerius to Western emperor. The Eastern Empire had rejected Olybrius and also rejected Glycerius, instead supporting

7564-975: The West and Licinius in the East. The tetrarchic system was at an end, although it took until 324 for Constantine to finally defeat Licinius, reunite the two halves of the Roman Empire and declare himself sole augustus . ( Whole, then East ) Galerius ( caesar , 1 March 293) Constantius I ( caesar , 1 March 293) ( West ) 28 October 306 – 11 November 308 (2 years and 14 days) Galerius ( caesar , 21 March 293) Constantius I ( caesar , 1 March 293) Maxentius (co- augustus , 306–308) Constantine I (rival augustus , 25 July 306; co- augustus , 307) ( East ) Maximian ( augustus , 21 March 293–1 May 305) Constantius I ( caesar , 1 March 293; co- augustus , 1 May 305–25 July 306) Severus II ( caesar , 1 May 305; co- augustus , August 306–April 307) Maxentius ( caesar , 28 October 306; junior co- augustus , April 307–May 311) Licinius (designated augustus for

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7688-460: The West began to collapse entirely. Alaric's men sacked Rome in 410. Honorius, the younger son of Theodosius I, was declared Augustus (and as such co-emperor with his father) on 23 January in 393, at the age of 9. Upon the death of Theodosius, Honorius inherited the throne of the West at the age of ten whilst his older brother Arcadius inherited the East. The western capital was initially Mediolanum, as it had been during previous divisions, but it

7812-399: The West, Attila secured peace with the Eastern court and crossed the Rhine in early 451. With Attila wreaking havoc in Gaul, Aetius gathered a coalition of Roman and Germanic forces, including Visigoths and Burgundians, and prevented the Huns from taking the city of Aurelianum , forcing them into retreat. At the Battle of the Catalaunian Plains , the Roman-Germanic coalition met and defeated

7936-456: The West, while Verus spent most of his reign campaigning in the East, against Parthia . Verus accompanied Marcus at the start of the Marcomannic Wars , but died shortly after. Decades later, Septimius Severus (r. 193–211) appointed his sons Geta and Caracalla as joint heirs. However, Caracalla murdered his brother shortly after succeeding to the throne. With the assassination of the emperor Alexander Severus in March 235 by his own troops,

8060-410: The Western Roman army by recruiting large numbers of barbarian mercenaries, among them the Gepids , Ostrogoths, Rugii , Burgundians, Huns, Bastarnae , Suebi, Scythians and Alans, and built two fleets, one at Ravenna, to combat the strong Vandalic fleet. Majorian personally led the army to wage war in Gaul, leaving Ricimer in Italy. The Gallic provinces and the Visigothic Kingdom had rebelled following

8184-425: The Western Roman government could do nothing to prevent the Vandals conquering the wealthy African provinces, culminating in the fall of Carthage on 19   October 439 and the establishment of the Vandal Kingdom . By the 400s, Italy and Rome itself were dependent on the taxes and foodstuffs from these provinces, leading to an economic crisis. With Vandal fleets becoming an increasing danger to Roman sea trade and

8308-432: The Western court had lacked true power and had been subject to Germanic aristocrats for decades, with most of its legal territory being under control of various barbarian kingdoms. With Odoacer recognising Julius Nepos, and later the Eastern emperor Zeno, as his sovereign, nominal Roman control continued in Italy. Syagrius , who had managed to preserve Roman sovereignty in an exclave in northern Gaul (a realm today known as

8432-423: The capable Eastern general Anthemius as Western emperor following an eighteen-month interregnum . The relationship between Anthemius and the East was good, Anthemius is the last Western emperor recorded in an Eastern law, and the two courts conducted a joint operation to retake Africa from the Vandals, culminating in the disastrous Battle of Cape Bon in 468. In addition Anthemius conducted failed campaigns against

8556-439: The city at the sight of the approaching Vandals, only to be stoned to death by a Roman mob. Petronius had reigned only 11 weeks. With the Vandals at the gates, Pope Leo I requested that the King not destroy the ancient city or murder its inhabitants, to which Gaiseric agreed and the city gates were opened to him. Though keeping his promise, Gaiseric looted great amounts of treasure and damaged objects of cultural significance such as

8680-424: The claimants to the imperial office died or were killed in various civil wars. Constantine forced Maximian's suicide in 310. Galerius died naturally in 311. Maxentius was defeated by Constantine at the Battle of the Milvian Bridge in 312 and subsequently killed. Maximinus committed suicide at Tarsus in 313 after being defeated in battle by Licinius. By 313, therefore, there remained only two rulers: Constantine in

8804-431: The coastal areas, though Celtic tribes such as Gauls and Celtiberians were culturally dominant. Lepidus received the minor province of Africa (roughly modern Tunisia ). Octavian soon took Africa from Lepidus, while adding Sicilia (modern Sicily ) to his holdings. Upon the defeat of Mark Antony , a victorious Octavian controlled a united Roman Empire . The Empire featured many distinct cultures, all experienced

8928-462: The coasts and islands of the western and central Mediterranean, Aetius coordinated a counterattack against the Vandals in 440, organizing a large army in Sicily. However, the plans for retaking Africa had to be abandoned due to the immediate need to combat the invading Huns, who in 444 were united under their ambitious king Attila . Turning against their former ally, the Huns became a formidable threat to

9052-616: The coins indicate which one of the four emperors is being shown. The Byzantine sculpture Portrait of the Four Tetrarchs shows the tetrarchs again with identical features and wearing the same military costume. One of the greatest problems facing emperors in the Third Century Crisis was that they were only ever able to personally command troops on one front at any one time. While Aurelian and Probus were prepared to accompany their armies thousands of miles between war regions, this

9176-642: The court back to Rome. Most western emperors from 450 until 475 reigned from Rome. The last de facto western emperor Romulus Augustulus resided in Ravenna from 475 until his deposition in 476 and Ravenna would later be the capital of both the Ostrogothic Kingdom and the Exarchate of Ravenna . Despite the moved capital, economic power remained focused on Rome and its rich senatorial aristocracy which dominated much of Italy and Africa in particular. After Emperor Gallienus had banned senators from army commands in

9300-527: The death of Nepos and abolition of the Western Empire by Zeno as the end of the Western Roman Empire. Tetrarchy The Tetrarchy was the system instituted by Roman emperor Diocletian in 293 AD to govern the ancient Roman Empire by dividing it between two emperors, the augusti , and their junior colleagues and designated successors, the caesares . Initially Diocletian chose Maximian as his caesar in 285, raising him to co- augustus

9424-559: The deposition of Avitus, refusing to acknowledge Majorian as lawful emperor. At the Battle of Arelate , Majorian decisively defeated the Visigoths under Theoderic II and forced them to relinquish their great conquests in Hispania and return to foederati status. Majorian then entered the Rhone Valley , where he defeated the Burgundians and reconquered the rebel city of Lugdunum . With Gaul back under Roman control, Majorian turned his eyes to

9548-497: The east. Rufinus and Stilicho were rivals, and their disagreements would be exploited by the Gothic leader Alaric I who again rebelled in 408 following the massacre by Roman legions of thousands of barbarian families who were trying to assimilate into the Roman empire. Neither half of the Empire could raise forces sufficient even to subdue Alaric's men, and both tried to use Alaric against the other half. Alaric himself tried to establish

9672-536: The eastern regions of the empire while Maximian similarly took charge of the western regions. In 293, Diocletian thought that more focus was needed on both civic and military problems, so with Maximian's consent, he expanded the imperial college by appointing two caesares (one responsible to each augustus )— Galerius and Constantius I . In 305, the senior emperors jointly abdicated and retired, allowing Constantius and Galerius to be elevated in rank to augustus . They in turn appointed two new caesares — Severus II in

9796-511: The eastern steppes) at the Rhine and Danube . These centres are known as the tetrarchic capitals. Although Rome ceased to be an operational capital, Rome continued to be nominal capital of the entire Roman Empire, not reduced to the status of a province but under its own, unique Prefect of the city ( praefectus urbi , later copied in Constantinople). The four tetrarchic capitals were: Aquileia ,

9920-426: The emperor Romulus Augustulus and became the first King of Italy . In 480, following the assassination of the previous Western emperor Julius Nepos , the Eastern emperor Zeno dissolved the Western court and proclaimed himself the sole emperor of the Roman Empire. The date of 476 was popularized by the 18th-century British historian Edward Gibbon as a demarcating event for the fall of the Western Roman Empire and

10044-484: The emperor of the Western Empire. Odoacer accepted this condition and issued coins in the name of Julius Nepos throughout Italy. This, however, was mainly an empty political gesture, as Odoacer never returned any real power or territories to Nepos. The murder of Nepos in 480 prompted Odoacer to invade Dalmatia , annexing it to his Kingdom of Italy . By convention, the Western Roman Empire is deemed to have ended on 4 September 476, when Odoacer deposed Romulus Augustus, but

10168-545: The empire between them, the former ruling from the East and the latter from the West. However, Valerian was captured by the Sassanids at the Battle of Edessa , leaving Gallienus as sole emperor. Saloninus , Gallienus' infant son, and the praetorian prefect Silvanus resided in Colonia Agrippina (modern Cologne ) to solidify the loyalty of the local legions. Nevertheless, Postumus  – the local governor of

10292-407: The empire was divided between his two infant sons, with Honorius as his successor in the West governing briefly from Mediolanum then from Ravenna , and Arcadius as his successor in the East governing from Constantinople . In 476, after the Battle of Ravenna , the Roman army in the West suffered defeat at the hands of Odoacer and his Germanic foederati . Odoacer forced the abdication of

10416-570: The end of the Theodosian dynasty , Petronius Maximus proclaimed himself emperor during the ensuing period of unrest. Petronius was not able to take effective control of the significantly weakened and unstable Empire. He broke the betrothal between Huneric, son of the Vandal king Gaiseric , and Eudocia, daughter of Valentinian III. This was seen as a just cause of war by King Gaiseric, who set sail to attack Rome. Petronius and his supporters attempted to flee

10540-705: The event shocked people across both halves of the Empire as this was the first time Rome (viewed at least as the symbolic heart of the Empire) had fallen to a foreign enemy since the Gallic invasions of the 4th century BC. The Eastern Roman emperor Theodosius II , the successor of Arcadius, declared three days of mourning in Constantinople. Without Stilicho and following the sack of Rome, Honorius' reign grew more chaotic. The usurper Constantine III had stripped Roman Britain of its defenses when he crossed over to Gaul in 407, leaving

10664-491: The first of the " barbarian kingdoms ", the Visigothic Kingdom , was formed. Honorius' death in 423 was followed by turmoil until the Eastern Roman government installed Valentinian III as Western emperor in Ravenna by force of arms, with Galla Placidia acting as regent during her son's minority. Theodosius II, the Eastern emperor, had hesitated to announce the death of Honorius and in the ensuing interregnum, Joannes

10788-710: The following year; Maximian was to govern the western provinces and Diocletian would administer the eastern ones. The role of the augustus was likened to Jupiter , while his caesar was akin to Jupiter's son Hercules . Galerius and Constantius were appointed caesares in March 293. Diocletian and Maximian retired on 1 May 305, raising Galerius and Constantius to the rank of augustus . Their places as caesares were in turn taken by Valerius Severus and Maximinus Daza . The orderly system of two senior and two junior rulers endured until Constantius died in July 306, and his son Constantine

10912-481: The historical record calls this determination into question. Indeed, the deposition of Romulus Augustus received very little attention in contemporary times. Romulus was a usurper in the eyes of the Eastern Roman Empire and the remaining territories of Western Roman control outside of Italy, with the previous emperor Julius Nepos still being alive and claiming to rule the Western Empire in Dalmatia . Furthermore,

11036-458: The imperial government was not providing the military protection the northern provinces expected and needed, numerous usurpers arose in Britain, including Marcus (406–407), Gratian (407), and Constantine III who invaded Gaul in 407. Britain was effectively abandoned by the empire by 410 due to the lack of resources and the need to look after more important frontiers. The weakening of the Rhine frontier allowed multiple barbarian tribes, including

11160-566: The imperial household and a substantial amount of booty and gaining a highly favourable peace treaty, which secured peace between the two powers for a generation. Similarly, Constantius defeated the British usurper Allectus , Maximian pacified the Gauls, and Diocletian crushed the revolt of Domitianus in Egypt . When in 305 the 20-year term of Diocletian and Maximian ended, both abdicated. Their caesares , Galerius and Constantius Chlorus, were both raised to

11284-558: The literature until used in 1887 by schoolmaster Hermann Schiller in a two-volume handbook on the Roman Empire ( Geschichte der Römischen Kaiserzeit ), to wit: " die diokletianische Tetrarchie ". Even so, the term did not catch on in the literature until Otto Seeck used it in 1897. The first phase, sometimes referred to as the diarchy ("rule of two"), involved the designation of the general Maximian as co-emperor—firstly as caesar (heir apparent) in 285, followed by his promotion to augustus in 286. Diocletian took care of matters in

11408-488: The mid-3rd century, the senatorial elite lost all experience of – and interest in – military life. In the early 5th century the wealthy landowning elite of the Roman Senate largely barred its tenants from military service, but it also refused to approve sufficient funding for maintaining a sufficiently powerful mercenary army to defend the entire Western Empire. The West's most important military area had been northern Gaul and

11532-573: The more classic forms developed by classical Roman and Greek art . Since the Quattrocento overlaps with part of the Renaissance, it would be inaccurate to say that a particular artist was Quattrocento or Renaissance. Artists of the time probably would not have identified themselves as members of a school or period. Also see the list of 27 prominent 15th century painters made contemporaneously by Giovanni Santi , Raphael Sanzio 's father as part of

11656-449: The name of Galba . The Praetorian Guard, a figurative "sword of Damocles ", was often perceived as being of dubious loyalty, primarily due its role in court intrigues and in overthrowing several emperors, including Pertinax and Aurelian . Following their example, the legions at the borders increasingly participated in civil wars . For instance, legions stationed in Egypt and the eastern provinces would see significant participation in

11780-411: The period from AD 395 to 476, there were separate, coequal courts dividing the governance of the empire into the Western provinces and the Eastern provinces with a distinct imperial succession in the separate courts. The terms Western Roman Empire and Eastern Roman Empire were coined in modern times to describe political entities that were de facto independent; contemporary Romans did not consider

11904-528: The position of caesar to Severus. At the same time, Maxentius , the son of Maximian, resented being left out of the new arrangements, so he rebelled against and defeated Severus before forcing him to abdicate and then arranging his murder in 307. Maxentius and Maximian both then declared themselves augusti . By 308 there were therefore no fewer than four claimants to the rank of augustus (Galerius, Constantine, Maximian and Maxentius), and only one to that of caesar (Maximinus Daza). In 308 Galerius, together with

12028-456: The position would never again be divided. As such, the (eastern) Roman emperors after 480 are the successors of the western ones, albeit only in a juridical sense. These emperors would continue to rule the Roman Empire until the Fall of Constantinople in 1453, nearly a thousand years later. As 480 marks the end of the juridical division of the empire into two imperial courts, some historians refer to

12152-576: The primary measure of wealth, and increasing numbers of serfs became freedmen. The changes in Medieval Italy and the decline of feudalism paved the way for social, cultural, and economic changes. The Quattrocento is viewed as the transition from the Medieval period to the age of the Italian Renaissance , principally in the cities of Rome , Florence , Milan , Venice , Naples . The period saw

12276-427: The promotion of the augustus Licinius as their superior. After an abortive attempt to placate both Constantine and Maximinus with the meaningless title filius augusti ("son of the augustus ", essentially an alternative title for caesar ), they both had to be recognised as Augusti in 309. However, four full Augusti all at odds with each other did not bode well for the tetrarchic system. Between 309 and 313 most of

12400-408: The public image of the four members of the imperial college was carefully managed to give the appearance of a united empire ( patrimonium indivisum ). This was especially important after the numerous civil wars of the 3rd century . The tetrarchs appeared identical in all official portraits. Coinage dating from the tetrarchic period depicts every emperor with identical features—only the inscriptions on

12524-455: The rank of augustus , and two new caesares were appointed: Maximinus Daza ( caesar to Galerius) and Valerius Severus ( caesar to Constantius). These four formed the second tetrarchy. However, the system broke down very quickly thereafter. When Constantius died in 306, Constantine , Constantius' son, was proclaimed augustus by his father's troops; however, Galerius instead chose to promote Severus to augustus while granting Constantine

12648-694: The retired emperor Diocletian and the supposedly retired Maximian, called an imperial "conference" at Carnuntum on the River Danube. The council agreed that Licinius would become augustus in the West, with Constantine as his caesar . In the East, Galerius remained augustus and Maximinus remained his caesar . Maximian was to retire, and Maxentius was declared a usurper. This agreement proved disastrous: by 308 Maxentius had become de facto ruler of Italy and Africa even without any imperial status, and neither Constantine nor Maximinus—who had both been caesares since 306 and 305 respectively—were prepared to tolerate

12772-511: The rights of pagan priests and removed the Altar of Victory from the Roman Curia , a decision which caused dissatisfaction among the traditionally pagan aristocracy of Rome. The political situation was unstable. In 383, a powerful and popular general named Magnus Maximus seized power in the West and forced Gratian's half-brother Valentinian II to flee to the East for aid; in a destructive civil war

12896-517: The same time, however, several eastern provinces seceded to form the Palmyrene Empire , under the rule of Queen Zenobia . In 272, Emperor Aurelian finally managed to reclaim Palmyra and its territory for the empire. With the East secure, his attention turned to the West, invading the Gallic Empire a year later. Aurelian decisively defeated Tetricus I in the Battle of Châlons , and soon captured Tetricus and his son Tetricus II . Both Zenobia and

13020-410: The soldiers to instead join with Alaric, who returned to Italy in 409 and met little opposition. Despite attempts by Honorius to reach a settlement and six legions of Eastern Roman soldiers sent to support him, the negotiations between Alaric and Honorius broke down in 410 and Alaric sacked the city of Rome. Though the sack was relatively mild and Rome was no longer the capital of even the Western Empire,

13144-442: The supervision of Constantine II, received Italy , Africa, Illyricum , Pannonia, Macedonia , and Achaea . The provinces of Thrace, Achaea and Macedonia were shortly controlled by Dalmatius , nephew of Constantine I and a caesar , not an Augustus , until his murder by his own soldiers in 337. The West was unified in 340 under Constans, who was assassinated in 350 under the order of the usurper Magnentius . After Magnentius lost

13268-747: The taxes of the province and serving as the province's chief judges. Prior to the establishment of the Empire, the territories of the Roman Republic had been divided in 43 BC among the members of the Second Triumvirate : Mark Antony , Octavian and Marcus Aemilius Lepidus . Antony received the provinces in the East: Achaea , Macedonia and Epirus (roughly modern Greece, Albania and the coast of Croatia ), Bithynia , Pontus and Asia (roughly modern Turkey ), Syria , Cyprus , and Cyrenaica . These lands had previously been conquered by Alexander

13392-483: The tetrarchic system lasted until c. 324, when mutually destructive civil wars eliminated most of the claimants to power: Licinius resigned as augustus after losing the Battle of Chrysopolis , leaving Constantine in control of the entire empire. The Constantinian dynasty 's emperors retained some aspects of collegiate rule; Constantine appointed his son Constantius II as another caesar in 324, followed by Constans in 333 and his nephew Dalmatius in 335, and

13516-567: The three surviving sons of Constantine in 337 were declared joint augusti together, and the concept of the division of the empire under multiple joint emperors endured until the Fall of the Western Roman Empire . In the Eastern Roman Empire , augusti and caesares continued to be appointed sporadically. The term tetrarchy (from the Greek : τετραρχία , tetrarchia , "leadership of four [people]") describes any form of government where power

13640-405: The vast extent of the Empire. News of invasion, revolt, natural disasters, or epidemic outbreak was carried by ship or mounted postal service , often requiring much time to reach Rome and for Rome's orders to be returned and acted upon. Therefore, provincial governors had de facto autonomy in the name of the Roman Republic. Governors had several duties, including the command of armies, handling

13764-485: The west in 308 and elevated Maximinus Daza to augustus in 310. Constantine's victory over Maxentius at the Battle of the Milvian Bridge in 312 left him in control of the western part of the empire, while Licinius was left in control of the east on the death of Maximinus Daza. Constantine and Licinius jointly recognized their sons – Crispus , Constantine II , and Licinius II – as caesares in March 317. Ultimately

13888-416: The west under Constantius, and Maximinus in the east under Galerius—thereby creating the second Tetrarchy. The four tetrarchs based themselves not at Rome but in other cities closer to the frontiers, mainly intended as headquarters for the defence of the empire against bordering rivals (notably Sassanian Persia ) and barbarians (mainly Germanic, and an unending sequence of nomadic or displaced tribes from

14012-427: The whole empire so, by 314, began to compete against Licinius, finally defeating him in 324 at the Battle of Chrysopolis . After Constantine unified the empire, he refounded the city of Byzantium in modern-day Turkey as Nova Roma ("New Rome"), later called Constantinople , and made it the capital of the Roman Empire. Although the Tetrarchy was ended, the concept of physically dividing the Roman Empire into East and

14136-412: Was beheaded near the river Iria . The final collapse of the Empire in the West was marked by increasingly ineffectual puppet emperors dominated by their Germanic magistri militum . The most pointed example of this is Ricimer , who effectively became a "shadow emperor" following the depositions of Avitus and Majorian. Unable to take the throne for himself due to his barbarian heritage, Ricimer appointed

14260-784: Was first tested by Marcus Aurelius (r. 161–180), who decided to rule alongside his adoptive brother Lucius Verus . There was, however, much precedent. The consulate of the Republic was a twin magistracy, and earlier emperors had often had a subordinate lieutenant with many imperial offices. Many emperors had planned a joint succession in the past— Augustus planned to leave Gaius and Lucius Caesar as joint emperors on his death; Tiberius wished to have Caligula and Tiberius Gemellus do so as well; as Claudius with Nero and Britannicus . All of these arrangements had ended in failure, either through premature death (Gaius and Lucius) or murder (Gemellus and Britannicus). Marcus Aurelius ruled mostly from

14384-564: Was in no meaningful sense an extension of Roman traditions or institutions. The Great Schism of 1054 between the churches of Rome and Constantinople further diminished any authority the emperor in Constantinople could hope to exert in the West. As the Roman Republic expanded, it reached a point where the central government in Rome could not effectively rule the distant provinces. Communications and transportation were especially problematic given

14508-472: Was killed. With the Roman legions withdrawn, northern Gaul became increasingly subject to Frankish influence, the Franks naturally adopting a leading role in the region. In 418, Honorius granted southwestern Gaul ( Gallia Aquitania ) to the Visigoths as a vassal federation. Honorius removed the local imperial governors, leaving the Visigoths and the provincial Roman inhabitants to conduct their own affairs. As such,

14632-446: Was moved to Ravenna in 401 upon the entry of the Visigothic king Alaric I into Italy. Ravenna, protected by abundant marshes and strong fortifications, was far easier to defend and had easy access to the imperial fleet of the Eastern Empire but made it more difficult for the Roman military to defend the central parts of Italy from regular barbarian incursions. Ravenna would remain the western capital until 450 when Valentinian III moved

14756-582: Was near the border in the East, the chances were high that an ambitious general would rebel in the West and vice versa. This wartime opportunism plagued many ruling emperors and indeed paved the road to power for several future emperors. By the time of the Crisis of the Third Century , usurpation became a common method of succession: Philip the Arab , Trebonianus Gallus and Aemilianus were all usurping generals-turned-emperors whose rule would end with usurpation by another powerful general. The idea of co-emperorship

14880-435: Was nominated as Western emperor. Joannes' rule was short and the forces of the East defeated and executed him in 425. After a violent struggle with several rivals, and against Placidia's wish, Aetius rose to the rank of magister militum . Aetius was able to stabilize the Western Empire's military situation somewhat, relying heavily on his Hunnic allies. With their help Aetius undertook extensive campaigns in Gaul, defeating

15004-439: Was not an ideal solution. Furthermore, it was risky for an emperor to delegate power in his absence to a subordinate general, who might win a victory and then be proclaimed as a rival emperor himself by his troops (which often happened). All members of the imperial college, on the other hand, were of essentially equal rank, despite two being senior emperors and two being junior; their functions and authorities were also equal. Under

15128-510: Was understood in the Latin world as well, where Pliny the Elder glossed it as follows: "each is the equivalent of a kingdom, and also part of one" ( regnorum instar singulae et in regna contribuuntur ). As used by the ancients, the term describes not only different governments, but also a different system of government from the Diocletianic arrangements. The Judaean tetrarchy was a set of four independent and distinct states, where each tetrarch ruled

15252-405: Was unilaterally acclaimed augustus and caesar by his father's army. Maximian's son Maxentius contested Severus' title, styled himself princeps invictus , and was appointed caesar by his retired father in 306. Severus surrendered to Maximian and Maxentius in 307. Maxentius and Constantine were both recognized as augusti by Maximian that same year. Galerius appointed Licinius augustus for

15376-411: Was well fortified and located at the crossroads of several major trade and military routes. The site had been acknowledged for its strategic importance already by emperors Septimius Severus and Caracalla , more than a century prior. In 361, Constantius II became ill and died, and Constantius Chlorus' grandson Julian , who had served as Constantius II's Caesar, assumed power. Julian was killed in 363 in

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