119-592: The House of Gattilusio was a powerful Genoese family who controlled a number of possessions in the northern Aegean from 1355 until the mid 15th century. Anthony Luttrell has pointed out that this family had developed close connections to the Byzantine ruling house of the Palaiologos —"four successive generations of Gattilusio married into the Palaiologos family, two to emperors' daughters, one to an emperor, and one to
238-514: A halocline that stops at the Cold Intermediate Layer (CIL). This layer is composed of cool, salty surface waters, which are the result of localized atmospheric cooling and decreased fluvial input during the winter months. It is the remnant of the winter surface mixed layer. The base of the CIL is marked by a major pycnocline at about 100–200 metres (330–660 ft), and this density disparity
357-762: A central position in the Mediterranean slave trade at this time. This left the Republic with only one major rival in the Mediterranean: Venice. The Genoese slave trade and the Venetian slave trade were the main players of the slave trade in the Mediterranean during the middle ages. Genoese Crusaders brought home a green glass goblet from the Levant , which Genoese long regarded as the Holy Grail . Not all of Genoa's merchandise
476-702: A climate of constant economic and power decline, in 1729 the Republic had to face another revolt in Corsica. It is considered the first moment of real rupture between the island and the Genoese Republic: perhaps the most important, because the representatives of the Church in full harmony with the Roman Curia , "justified" the war. This time the Genoese government requested the help of Charles VI , who sent 10,000 German infantry of
595-556: A despot who later became an emperor"—which could explain their repeated involvement in Byzantine affairs. The Gattilusi were Lords of Lesbos (present-day in Greece) from 1355 to 1462 and Lords of Aenus (present-day in Turkey) from 1376 to 1456. The Gattilusi family was founded by two brothers, Francesco and Niccolò Gattilusi , who were the nephew of Oberto Gattilusi . The name of their father
714-811: A different literal meaning (see below), is still widely used: The Black Sea is one of four seas named in English after common color terms – the others being the Red Sea , the White Sea and the Yellow Sea . The earliest known name of the Black Sea is the Sea of Zalpa, so called by both the Hattians and their conquerors, the Hittites . The Hattic city of Zalpa was "situated probably at or near
833-669: A key factor in the triumph of the Genoese Republic is still recognized, and its coat of arms is depicted in the flag of the Italian Navy . In 1284, Genoa fought victoriously against the Republic of Pisa in the Battle of Meloria for dominance over the Tyrrhenian Sea , and it was an eternal rival of Venice for dominance in the Mediterranean as a whole. The republic began when Genoa became
952-645: A large portion of the trade of the Byzantine Empire , Tripoli (Libya), the Principality of Antioch , Cilician Armenia , and Egypt. Although Genoa maintained free-trading rights in Egypt and Syria, it lost some of its territorial possessions after Saladin's campaigns in those areas in the late 12th century. In 1147, Genoa took part in the Siege of Almería , helping Alfonso VII of León and Castile reconquer that city from
1071-484: A marked vertical stratification and a warm, shallow mixed layer. Day length and insolation intensity also control the extent of the photic zone . Subsurface productivity is limited by nutrient availability, as the anoxic bottom waters act as a sink for reduced nitrate , in the form of ammonia . The benthic zone also plays an important role in Black Sea nutrient cycling, as chemosynthetic organisms and anoxic geochemical pathways recycle nutrients which can be upwelled to
1190-467: A naval ascendency that was the source of their power and position within northern Italy. The Genoan defeat deprived Genoa of this naval supremacy, pushed it out of eastern Mediterranean markets and began the decline of the city-state. Rising Ottoman power also cut into the Genoese emporia in the Aegean, and the Black Sea trade was reduced. In 1396, in order to protect the republic from internal unrest and
1309-566: A number of Italian city-states during this period. Nominally, the Holy Roman Emperor was overlord and the Bishop of Genoa was president of the city; however, actual power was wielded by a number of " consuls " annually elected by popular assembly . At that time Muslim raiders were attacking coastal cities on the Tyrrhenian Sea . Muslims raided Pisa in 1000, and in 1015 they escalated their attacks, raiding Luni . Mujahid al-Siqlabi , Emir of
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#17328456253481428-594: A part of the Genoese army returned to Genoa with the relics of Saint John the Baptist , granted to the Republic of Genoa as part of their reward for providing military support to the First Crusade. Many settlements in the Middle East were given to Genoa as well as favorable commercial treaties . Genoa later allied with King Baldwin I of Jerusalem (reigned 1100–1118). To secure the alliance, Baldwin gave Genoa one-third of
1547-646: A self-governing commune in the 11th century and ended when it was conquered by the French First Republic under Napoleon and replaced with the Ligurian Republic . The Ligurian Republic was annexed by the First French Empire in 1805; its restoration was briefly proclaimed in 1814 following the defeat of Napoleon, but it was annexed by the Kingdom of Sardinia in 1815. From the 11th century to 1528 it
1666-588: A small number of noble houses in the city organized into 28 " Alberghi ", in particular: Black Sea Unrecognised states: The Black Sea is a marginal mediterranean sea lying between Europe and Asia , east of the Balkans , south of the East European Plain , west of the Caucasus , and north of Anatolia . It is bounded by Bulgaria , Georgia , Romania , Russia , Turkey , and Ukraine . The Black Sea
1785-570: A strong tradition of trading goods from the Levant and its financial expertise was recognised all over Europe. After a brief period of French domination from 1394 to 1409, Genoa came under the rule of the Visconti of Milan . Genoa lost Sardinia to Aragon , Corsica to internal revolt, and its colonies in the Middle East, Eastern Europe, and Asia Minor to the Ottoman Empire . In the 15th century, two of
1904-513: A strongly stratified vertical structure. Because of the extreme stratification, it is classified as a salt wedge estuary . Inflow from the Mediterranean Sea through the Bosporus and Dardanelles has a higher salinity and density than the outflow, creating the classic estuarine circulation. This means that the inflow of dense water from the Mediterranean occurs at the bottom of the basin while
2023-433: A threat to health—and perhaps even life—for people living on the Black Sea coast. There have been isolated reports of flares on the Black Sea occurring during thunderstorms, possibly caused by lightning igniting combustible gas seeping up from the sea depths. The Black Sea supports an active and dynamic marine ecosystem, dominated by species suited to the brackish , nutrient-rich, conditions. As with all marine food webs,
2142-516: A very thick convective bottom layer. The Black Sea undersea river is a current of particularly saline water flowing through the Bosporus Strait and along the seabed of the Black Sea. The discovery of the river, announced on August 1, 2010, was made by scientists at the University of Leeds and is the first of its kind to be identified. The undersea river stems from salty water spilling through
2261-492: A weaker mixed assemblage of community development below the seasonal thermocline during summer months, and surface-intensified autumn production. This pattern of productivity is augmented by an Emiliania huxleyi bloom during the late spring and summer months. Since the 1960s, rapid industrial expansion along the Black Sea coastline and the construction of a major dam on the Danube have significantly increased annual variability in
2380-620: Is supplied by major rivers, principally the Danube , Dnieper and Dniester . Consequently, while six countries have a coastline on the sea, its drainage basin includes parts of 24 countries in Europe. The Black Sea, not including the Sea of Azov , covers 436,400 km (168,500 sq mi), has a maximum depth of 2,212 m (7,257 ft), and a volume of 547,000 km (131,000 cu mi). Most of its coasts ascend rapidly. These rises are
2499-442: Is a current of particularly saline water flowing through the Bosporus Strait and along the seabed of the Black Sea, the first of its kind discovered. Current names of the sea are usually equivalents of the English name "Black Sea", including these given in the countries bordering the sea: Such names have not yet been shown conclusively to predate the 13th century. In Greece , the historical name "Euxine Sea", which holds
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#17328456253482618-507: Is about 1,175 km (730 mi). Important cities along the coast include (clockwise from the Bosporus ) Burgas , Varna , Constanța , Odesa , Sevastopol , Novorossiysk , Sochi , Poti , Batumi , Trabzon and Samsun . The Black Sea has a positive water balance , with an annual net outflow of 300 km (72 cu mi) per year through the Bosporus and the Dardanelles into
2737-464: Is connected to the Sea of Azov by the Kerch Strait . The water level has varied significantly over geological time. Due to these variations in the water level in the basin, the surrounding shelf and associated aprons have sometimes been dry land. At certain critical water levels, connections with surrounding water bodies can become established. It is through the most active of these connective routes,
2856-466: Is not known, although based on the heraldic evidence of their inscriptions, Luttrell argues that their mother was a member of the Doria family. Francesco gained the favor of Byzantine Emperor John V Palaiologos by helping him oust a rival to the throne, John VI Kantakouzenos , in 1354. As reward, Gattilusio was given lordship of the island of Lesbos (and its stronghold, Mytilene ) from July 1355, as well as
2975-580: Is subject to interannual variability. Outside of the Rim Current, numerous quasi-permanent coastal eddies are formed as a result of upwelling around the coastal apron and "wind curl" mechanisms. The intra-annual strength of these features is controlled by seasonal atmospheric and fluvial variations. During the spring, the Batumi eddy forms in the southeastern corner of the sea. Beneath the surface waters—from about 50 to 100 metres (160 to 330 ft)—there exists
3094-454: Is the major mechanism for isolation of the deep water. Below the pycnocline is the Deep Water mass, where salinity increases to 22.3 PSU and temperatures rise to around 8.9 °C (48.0 °F). The hydrochemical environment shifts from oxygenated to anoxic, as bacterial decomposition of sunken biomass utilizes all of the free oxygen. Weak geothermal heating and long residence time create
3213-521: Is therefore anoxic . This anoxic layer is responsible for the preservation of ancient shipwrecks which have been found in the Black Sea, which ultimately drains into the Mediterranean Sea , via the Turkish Straits and the Aegean Sea. The Bosporus strait connects it to the small Sea of Marmara which in turn is connected to the Aegean Sea via the strait of the Dardanelles . To the north, the Black Sea
3332-477: Is thought the climate conditions established in western Europe mediate the heat and precipitation fluxes reaching Central Europe and Eurasia, regulating the formation of winter cyclones , which are largely responsible for regional precipitation inputs and influence Mediterranean sea surface temperatures (SSTs). The relative strength of these systems also limits the amount of cold air arriving from northern regions during winter. Other influencing factors include
3451-671: The Aegean Sea . The islands of Chios and Lesbos became commercial stations of Genoa as well as the city of Smyrna (İzmir). Genoa and Pisa became the only states with trading rights in the Black Sea . In the same century the Republic conquered many settlements in Crimea , where the Genoese colony of Caffa was established. The alliance with the restored Byzantine Empire increased the wealth and power of Genoa, and simultaneously decreased Venetian and Pisan commerce. The Byzantine Empire had granted
3570-503: The Aegean Sea . While the net flow of water through the Bosporus and Dardanelles (known collectively as the Turkish Straits ) is out of the Black Sea, water generally flows in both directions simultaneously: Denser, more saline water from the Aegean flows into the Black Sea underneath the less dense, fresher water that flows out of the Black Sea. This creates a significant and permanent layer of deep water that does not drain or mix and
3689-665: The Corsican Republic was declared in 1755. Eventually relying on French intervention to quash the rebellion, Genoa was forced to cede Corsica to the French in the 1768 Treaty of Versailles . In 1794 and 1795 the revolutionary echoes from France reached Genoa, thanks to Genoese propagandists and refugees sheltered in the nearby state of the Alps, and in 1794 a conspiracy against the aristocratic and oligarchic ruling class developed. However, in May 1797
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3808-667: The Fall of Constantinople in 1453, the Gattilusi briefly retained control of their possessions under Ottoman suzerainty , but were forced out within a few years. In 1456, the Ottomans appointed a native Greek historian, Michael Critobulus , as governor of Imbros, and likewise removed the Gattilusi from power in the remainder of their possessions, with the exception of Lesbos, which they were permitted to retain in return for an annual payment of 4,000 gold pieces. The lord of Lesbos, Domenico Gattilusio ,
3927-762: The House of Bourbon in the War of the Austrian Succession . Consequently, the Republic of Genoa signed a secret treaty with the Bourbon allies of Kingdom of France , Spanish Empire and Kingdom of Naples . On 26 June 1745, the Republic of Genoa declared war on the Kingdom of Sardinia. This decision would prove disastrous for Genoa, which later surrendered to the Austrians in September 1746 and
4046-567: The Imperial Army , after the payment by Genoa of 60,000 florins and 100 scudi for each dead soldier, joining the Republic's soldiers commanded by Camillo Doria. Genoa managed to contain the rebellion, however this did not prove lasting. Another revolt broke out in 1733, causing the Genoese to again appeal to the Emperor, but the Imperial Army was tied up against the French in the ongoing War of
4165-585: The Kartvelian tribe of Speris or Saspers . Other modern names such as Chyornoye more and Karadeniz (both meaning Black Sea) originated during the 13th century. A 1570 map Asiae Nova Descriptio from Abraham Ortelius 's Theatrum Orbis Terrarum labels the sea Mar Maggior (Great Sea), compare Latin Mare major . English writers of the 18th century often used Euxine Sea ( / ˈ j uː k s ɪ n / or / ˈ j uː k ˌ s aɪ n / ). During
4284-461: The Lordship of Arsuf , one-third of Caesarea , and one-third of Acre and its port's income. Additionally the Republic of Genoa would receive 300 bezants every year, and one-third of Baldwin's conquest every time 50 or more Genoese soldiers joined his troops. The Republic's role as a maritime power in the region secured many favorable commercial treaties for Genoese merchants. They came to control
4403-581: The Ottoman Empire , it was called either Bahr-e Siyah ( Perso-Arabic ) or Karadeniz ( Ottoman Turkish ), both meaning "Black Sea". The International Hydrographic Organization defines the limits of the Black Sea as follows: On the Southwest. The Northeastern limit of the Sea of Marmara [A line joining Cape Rumili with Cape Anatoli (41°13'N)]. In the Kertch Strait . A line joining Cape Takil and Cape Panaghia (45°02'N). The area surrounding
4522-749: The Pontic Mountains to the south, bar the southwest-facing peninsulas, the Caucasus Mountains to the east, and the Crimean Mountains to the mid-north. In the west, the coast is generally small floodplains below foothills such as the Strandzha ; Cape Emine , a dwindling of the east end of the Balkan Mountains ; and the Dobruja Plateau considerably farther north. The longest east–west extent
4641-526: The Taifa of Denia attacked Sardinia with a fleet of 125 ships. In 1016, the allied troops of Genoa and Pisa defended Sardinia . In 1066, war erupted between Genoa and Pisa – possibly over control of Sardinia. The republic was one of the so-called "Maritime Republics" ( Repubbliche Marinare ), along with Venice , Pisa , Amalfi , Gaeta , Ancona , and Ragusa . In 1087, Genoese and Pisan fleets, led by Hugh of Pisa , and accompanied by troops from Pantaleone of Amalfi , Salerno , and Gaeta , attacked
4760-404: The treaty of the alliance was signed in Nymphaeum . On July 25, 1261, Nicaean troops under Alexios Strategopoulos recaptured Constantinople. As a result, the balance of favour tipped toward Genoa, which was granted free trade rights in the Nicene Empire. Besides the control of commerce in the hands of Genoese merchants, Genoa received ports and way stations in many islands and settlements in
4879-408: The " Annales ianuenses ". The Republic of Genoa's governance history is divided into five stages: The republic was substantially democratic in shape, while those of the Podestàs and the Captains of the people strongly restored the often conflicting relationship between the authority and the freedom. The perpetual doges, on the other hand, proclaimed themselves popular, even though sometimes crossing
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4998-462: The "old nobility" entrenched in the mountain fastnesses behind Genoa, captured the city on May 30, 1522, and subjected the city to a pillage. When the admiral Andrea Doria of the powerful Doria family allied with the Emperor Charles V to oust the French and restore Genoa's independence, a renewed prospect opened: 1528 marks the first loan from Genoese banks to Charles. Under the ensuing economic recovery, many aristocratic Genoese families, such as
5117-472: The Balbi, Doria, Grimaldi, Pallavicini, and Serra, amassed tremendous fortunes. According to Felipe Fernandez-Armesto and others, the practices Genoa developed in the Mediterranean (such as chattel slavery ) were crucial in the exploration and exploitation of the New World. At the time of Genoa's peak in the 16th century, the city attracted many artists, including Rubens , Caravaggio , and van Dyck . The architect Galeazzo Alessi (1512–1572) designed many of
5236-510: The Black Sea Depression they are terrigenous non-carbonate silts , and at the foot of the continental slope turbidite sediments. The Black Sea is the world's largest body of water with a meromictic basin. The deep waters do not mix with the upper layers of water that receive oxygen from the atmosphere. As a result, over 90% of the deeper Black Sea volume is anoxic water. The Black Sea's circulation patterns are primarily controlled by basin topography and fluvial inputs, which result in
5355-401: The Black Sea belong to Bulgaria, Romania, Turkey, and Ukraine: Short-term climatic variation in the Black Sea region is significantly influenced by the operation of the North Atlantic oscillation , the climatic mechanisms resulting from the interaction between the north Atlantic and mid-latitude air masses. While the exact mechanisms causing the North Atlantic Oscillation remain unclear, it
5474-585: The Black Sea features a range of trophic groups, with autotrophic algae, including diatoms and dinoflagellates , acting as primary producers. The fluvial systems draining Eurasia and central Europe introduce large volumes of sediment and dissolved nutrients into the Black Sea, but the distribution of these nutrients is controlled by the degree of physiochemical stratification, which is, in turn, dictated by seasonal physiographic development. During winter, strong wind promotes convective overturning and upwelling of nutrients, while high summer temperatures result in
5593-432: The Black Sea is commonly referred to as the Black Sea Region . Its northern part lies within the Chernozem belt (black soil belt) which goes from eastern Croatia ( Slavonia ), along the Danube (northern Serbia, northern Bulgaria ( Danubian Plain ) and southern Romania ( Wallachian Plain ) to northeast Ukraine and further across the Central Black Earth Region and southern Russia into Siberia . The littoral zone of
5712-562: The Black Sea is often referred to as the Pontic littoral or Pontic zone . The largest bays of the Black Sea are Karkinit Bay in Ukraine; the Gulf of Burgas in Bulgaria; Dnieprovski Bay and Dniestrovski Bay, both in Ukraine; and Sinop Bay and Samsun Bay, both in Turkey. The largest rivers flowing into the Black Sea are: These rivers and their tributaries comprise a 2-million km (0.77-million sq mi) Black Sea drainage basin that covers wholly or partially 24 countries: Unrecognised states: Some islands in
5831-457: The Bosporus Strait from the Mediterranean Sea into the Black Sea, where the water has a lower salt content. Because of the anoxic water at depth, organic matter, including anthropogenic artifacts such as boat hulls, are well preserved. During periods of high surface productivity, short-lived algal blooms form organic rich layers known as sapropels . Scientists have reported an annual phytoplankton bloom that can be seen in many NASA images of
5950-483: The Bosporus is located at 36.5 m (120 ft) below present sea level (deepest spot of the shallowest cross-section in the Bosporus, located in front of Dolmabahçe Palace ) and has a wet section of around 38,000 m (410,000 sq ft). Inflow and outflow current speeds are averaged around 0.3 to 0.4 m/s (1.0 to 1.3 ft/s), but much higher speeds are found locally, inducing significant turbulence and vertical shear. This allows for turbulent mixing of
6069-424: The German banking houses into chaos and ended the reign of the Fuggers as Spanish financiers. The Genoese bankers provided the unwieldy Habsburg system with fluid credit and a dependably regular income. In return the less dependable shipments of American silver were rapidly transferred from Seville to Genoa, to provide capital for further ventures. From about 1520 the Genoese controlled the Spanish port of Panama ,
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#17328456253486188-418: The Kingdom of Sicily. Genoese bankers also profited from loans to the new nobility of Sicily. Corsica was formally annexed in 1347. Genoa was far more than a depot of drugs and spices from the East: an essential engine of its economy was the weaving of silk textiles, from imported thread, following the symmetrical styles of Byzantine and Sassanian silks. As a result of the economic retrenchment in Europe in
6307-471: The Mediterranean and the Black Sea, including Corsica from 1347 to 1768, Monaco , Southern Crimea from 1266 to 1475, and the islands of Lesbos and Chios from the 14th century to 1462 and 1566, respectively. With the arrival of the early modern period , the Republic had lost many of its colonies, and shifted its focus to banking. This was successful for Genoa, which remained a hub of capitalism , with highly developed banks and trading companies. Genoa
6426-423: The Mid-Black Sea High, which includes the Andrusov Ridge, Tetyaev High, and Archangelsky High, extending south from the Crimean Peninsula . The basin includes two distinct relict back-arc basins which were initiated by the splitting of an Albian volcanic arc and the subduction of both the Paleo - and Neo- Tethys oceans, but the timings of these events remain uncertain. Arc volcanism and extension occurred as
6545-423: The Muslims. After the conquest the republic leased out its third of the city to one of its own citizens, Otto de Bonvillano , who swore fealty to the republic and promised to guard the city with three hundred men at all times. This demonstrates how Genoa's early efforts at expanding her influence involved enfeoffing private citizens to the commune and controlling overseas territories indirectly, rather than through
6664-448: The N:P:Si ratio in the basin. Coastal areas, accordingly, have seen an increase in the frequency of monospecific phytoplankton blooms, with diatom-bloom frequency increasing by a factor of 2.5 and non-diatom bloom frequency increasing by a factor of 6. The non-diatoms, such as the prymnesiophytes Emiliania huxleyi (coccolithophore), Chromulina sp., and the Euglenophyte Eutreptia lanowii , can out-compete diatom species because of
6783-454: The Neo-Tethys Ocean subducted under the southern margin of Laurasia during the Mesozoic . Uplift and compressional deformation took place as the Neotethys continued to close. Seismic surveys indicate that rifting began in the Western Black Sea in the Barremian and Aptian followed by the formation of oceanic crust 20 million years later in the Santonian . Since its initiation, compressional tectonic environments led to subsidence in
6902-406: The Netherlands in the early 17th century. The decline of Spain in the 17th century brought also the renewed decline of Genoa, and the Spanish crown's frequent bankruptcies, in particular, ruined many of Genoa's merchant houses. In 1684 the city was heavily bombarded by a French fleet as punishment for its alliance with Spain. In May 1625, a French-Savoian army briefly laid siege to Genoa. Though it
7021-474: The North African city of Mahdia , the capital of the Fatimid Caliphate . The attack, supported by Pope Victor III , became known as the Mahdia campaign . The attackers captured the city, but could not hold it against Arab forces. After the burning of the Arab fleet in the city's harbor, the Genoese and Pisan troops retreated. The destruction of the Arab fleet gave control of the Western Mediterranean to Genoa, Venice, and Pisa. This enabled Western Europe to supply
7140-403: The Philippines and to found the city of Zamboanga upon the conquests of the Sultanates of Sulu and Maguindanao . In this situation Genoese Bankers were thus active in Spain's Mediterranean and New World possessions (Peru, Mexico, and Philippines ). The Genoese banker Ambrogio Spinola, Marquess of Los Balbases , for instance, raised and led an army that fought in the Eighty Years' War in
7259-553: The Polish Succession , and thus declined to intervene. Even before the rebellions, Genoa's control of the island had been loose; the Republic had effectively demilitarized itself, with only 2,000 soldiers (all spread throughout fortifications in Liguria) for a mainland population of about half a million, and law and order on Corsica were very weak, with nearly 900 homicides per 100,000 people there annually from 1701 to 1733. The Genoese government tried to ban private firearm ownership on Corsica without success. A guerilla war would continue on
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#17328456253487378-464: The Republic when in early June, the old elites who had ruled the state for all of its history were overthrown, giving birth to the Ligurian Republic on June 14, 1797, under the watchful care of Napoleonic France. After Bonaparte's seizure of power in France, a more conservative constitution was enacted, but the Ligurian Republic's life was short—in 1805 it was annexed by France, becoming the départements of Apennins , Gênes , and Montenotte . With
7497-419: The Republic, while the other 60 galleys were rented to individuals. More than 15,000 mercenaries were hired as rowmen and soldiers. The Pisan fleet avoided combat, and tried to wear out the Genoese fleet during 1283. On August 5, 1284, in the naval Battle of Meloria the Genoese fleet, consisting of 93 ships led by Oberto Doria and Benedetto I Zaccaria , defeated the Pisan fleet, which consisted of 72 ships and
7616-464: The Rim Current. The Rim Current has a maximum velocity of about 50–100 cm/s (20–39 in/s). Within this feature, two smaller cyclonic gyres operate, occupying the eastern and western sectors of the basin. The Eastern and Western Gyres are well-organized systems in the winter but dissipate into a series of interconnected eddies in the summer and autumn. Mesoscale activity in the peripheral flow becomes more pronounced during these warmer seasons and
7735-413: The Seas'), and la Repubblica dei magnifici ('the Republic of the Magnificents'). After the fall of the Western Roman Empire , the city of Genoa was invaded by Germanic tribes, and, in about 643, Genoa and other Ligurian cities were captured by the Lombard Kingdom under the King Rothari . In 773 the Kingdom was annexed by the Frankish Empire ; the first Carolingian count of Genoa was Ademarus, who
7854-447: The Spanish crown's foreign endeavors from their counting houses in Seville. Fernand Braudel has even called the period 1557 to 1627 the "age of the Genoese", "of a rule that was so discreet and sophisticated that historians for a long time failed to notice it". However, the modern visitor passing brilliant Mannerist and Baroque palazzo facades along Genoa's Strada Nova (now Via Garibaldi) or via Balbi cannot fail to notice that there
7973-406: The Turkish Straits, that the Black Sea joins the World Ocean . During geological periods when this hydrological link was not present, the Black Sea was an endorheic basin , operating independently of the global ocean system (similar to the Caspian Sea today). Currently, the Black Sea water level is relatively high; thus, water is being exchanged with the Mediterranean. The Black Sea undersea river
8092-425: The basin, interspersed with extensional phases resulting in large-scale volcanism and numerous orogenies , causing the uplift of the Greater Caucasus , Pontides , southern Crimean Peninsula and Balkanides mountain ranges. During the Messinian salinity crisis in the neighboring Mediterranean Sea , water levels fell but without drying up the sea. The collision between the Eurasian and African plates and
8211-573: The burial chapel of the Gattilusi and a few graves that probably belonged to dependents of the family. The building was converted into a mosque after the Ottoman capture of Mytilene in 1462; an earthquake in February 1867 destroyed it. The Canadian excavations have also added a considerable number of Gattilusi coins to the known corpus, now published by Dr. Robert Weir Republic of Genoa The Republic of Genoa ( Ligurian : Repúbrica de Zêna [ɾeˈpybɾika de ˈzeːna] ; Italian : Repubblica di Genova ; Latin : Res Publica Ianuensis )
8330-412: The centre of the Black Sea reaches a maximum depth of 2,212 metres (7,257.22 feet) just south of Yalta on the Crimean Peninsula . The Paleo- Euxinian is described by the accumulation of eolian silt deposits (related to the Riss glaciation ) and the lowering of sea levels ( MIS 6, 8 and 10). The Karangat marine transgression occurred during the Eemian Interglacial (MIS 5e). This may have been
8449-404: The church of San Siro in order to gather troops for the First Crusade . Twelve galleys , one ship, and 1,200 soldiers from Genoa joined the crusade. The Genoese troops, led by noblemen de Insula and Avvocato, set sail in July 1097. The Genoese fleet transported and provided naval support to the crusaders, mainly during the siege of Antioch in 1098, when the Genoese fleet blockaded the city while
8568-496: The city's splendid palazzi . In the next 50 years, other palazzi were designed by Bartolomeo Bianco (1590–1657), designer of centrepieces of the University of Genoa . A number of Genoese Baroque and Rococo artists settled elsewhere and a number of local artists became prominent. Thereafter, Genoa underwent something of a revival as a junior associate of the Spanish Empire, with Genoese bankers, in particular, financing many of
8687-530: The control of John of Anjou , a French royal governor. However, with support from Milan, Genoa revolted and the Republic was restored in 1461. The Milanese then changed sides, conquering Genoa in 1464 and holding it as a fief of the French crown. Between 1463–78 and 1488–99, Genoa was held by the Milanese House of Sforza . From 1499 to 1528, the Republic reached its nadir, being under nearly continual French occupation. The Spanish, with their intramural allies,
8806-401: The dark color of the water or climatic conditions. Some scholars understand the name to be derived from a system of colour symbolism representing the cardinal directions , with black or dark for north, red for south, white for west, and green or light blue for east. Hence, "Black Sea" meant "Northern Sea". According to this scheme, the name could only have originated with a people living between
8925-648: The earliest banks in the world were founded in Genoa: the Bank of Saint George , founded in 1407, which was the oldest state deposit bank in the world at its closure in 1805, and the Banca Carige , founded in 1483 as a mount of piety , which existed until 2022 Threatened by Alfonso V of Aragon , the Doge of Genoa in 1458 handed the Republic over to the French, making it the Duchy of Genoa under
9044-687: The estuary of the Marrassantiya River, the modern Kızıl Irmak , on the Black Sea coast." The principal Greek name Póntos Áxeinos is generally accepted to be a rendering of the Iranian word * axšaina- ("dark colored"). Ancient Greek voyagers adopted the name as Á-xe(i)nos , identified with the Greek word áxeinos (inhospitable). The name Πόντος Ἄξεινος Póntos Áxeinos (Inhospitable Sea), first attested in Pindar ( c. 475 BC ),
9163-521: The fall of Napoleon, and the subsequent Congress of Vienna , Genoa regained an ephemeral independence, with the name of the Repubblica genovese , which lasted less than a year. However, the congress established the annexation of the territories, and therefore of the whole of Liguria with the Oltregiogo area and the island of Capraia to the Kingdom of Sardinia , governed by the House of Savoy , contravening
9282-551: The first port on the Pacific, founded by the conquest of the Americas. The Genoese obtained a concession to exploit the port mainly for the slave trade of the new world on the Pacific, which lasted until the sacking and destruction of the original city in 1671. In the meantime in 1635 Don Sebastián Hurtado de Corcuera , the then governor of Panama, had recruited Genoese, Peruvians, and Panamanians, as soldiers to wage war against Muslims in
9401-665: The gold that traveled up through the Sahara and establishing Atlantic depots as far afield as Salé and Safi . In 1283 the population of the Kingdom of Sicily revolted against the Angevin rule. The revolt became known as the Sicilian Vespers . As a result, the Aragonese rule was established on the Kingdom. Genoa, which had supported the Aragonese, was granted free trading and export rights in
9520-454: The hand in marriage of the emperor's sister, Maria. The Gattilusi possessions grew to include, among others, the islands of Imbros , Samothrace , Lemnos and Thasos , and the mainland city of Aenos (modern Enez in Turkey ). From this position, they were heavily involved in the mining and marketing of alum , useful in textile production and a profitable trade controlled by the Genoese. After
9639-615: The highest sea levels reached in the late Pleistocene . Based on this some scholars have suggested that the Crimean Peninsula was isolated from the mainland by a shallow strait during the Eemian Interglacial. The Neoeuxinian transgression began with an inflow of waters from the Caspian Sea . Neoeuxinian deposits are found in the Black Sea below −20 m (−66 ft) water depth in three layers. The upper layers correspond with
9758-571: The intent of the Genoese jacobins and French citizens to overthrow the government of the Doge Giacomo Maria Brignole took shape, giving rise to a fratricidal war in the streets between opponents and popular supporters of the current customs system. The direct intervention of Napoleon (during the Campaigns of 1796 ) and his representatives in Genoa was the final act that led to the fall of
9877-484: The island until it was sold to France in 1768. The Convention of Turin of 1742, in which Austria allied with the Kingdom of Sardinia , caused some consternation in the Republic. However, when this provisional relationship was given a more durable and reliable character in the signing of the Treaty of Worms , in 1743, the fear of diplomatic isolation had caused the Genoese Republic to abandon its neutrality and to ally with
9996-518: The late 1980s. Additionally, an alien species—the warty comb jelly ( Mnemiopsis leidyi )—established itself in the basin, exploding from a few individuals to an estimated biomass of one billion metric tons. The change in species composition in Black Sea waters also has consequences for hydrochemistry, as calcium-producing coccolithophores influence salinity and pH, although these ramifications have yet to be fully quantified. In central Black Sea waters, silicon levels also reduced significantly, due to
10115-447: The late fourteenth century, as well as its long war with Venice , which culminated in its defeat at Chioggia (1380), Genoa went into decline. This pivotal war with Venice has come to be called the War of Chioggia because of this decisive battle which resulted in the defeat of Genoa at the hands of Venice. Prior to the War of Chioggia, which lasted from 1379 until 1381, the Genoese had enjoyed
10234-407: The limited availability of silicon, a necessary constituent of diatom frustules. As a consequence of these blooms, benthic macrophyte populations were deprived of light, while anoxia caused mass mortality in marine animals. Overfishing during the 1970s further compounded the decline in macrophytes, while the invasive ctenophore Mnemiopsis reduced the biomass of copepods and other zooplankton in
10353-490: The lords of the surrounding valleys and coasts. The new city-state was termed a Compagna Communis. The local organization remained politically and socially significant for centuries. As late as 1382, the members of the Grand Council were classified by both the compagnia to which they belonged as well as by their political faction ("noble" versus "popular"). Before 1100, Genoa emerged as an independent city-state , one of
10472-409: The majority of free trading rights to Genoa. In 1282 Pisa tried to gain control of the commerce and administration of Corsica , after being called for support by the judge Sinucello who revolted against Genoa. In August 1282, part of the Genoese fleet blockaded Pisan commerce near the river Arno . During 1283 both Genoa and Pisa made war preparations. Genoa built 120 galleys, 60 of which belonged to
10591-507: The newly established Latin Empire meant that Venetian trading rights were enforced, and Venice gained control of a large portion of the commerce of the eastern Mediterranean. In order to regain control of the commerce , the Republic of Genoa allied with Michael VIII Palaiologos , emperor of Nicaea , who wanted to restore the Byzantine Empire by recapturing Constantinople . In March 1261
10710-431: The north of the basin is up to 190 km (120 mi) wide and features a shallow apron with gradients between 1:40 and 1:1000. The southern edge around Turkey and the eastern edge around Georgia , however, are typified by a narrow shelf that rarely exceeds 20 km (12 mi) in width and a steep apron that is typically 1:40 gradient with numerous submarine canyons and channel extensions. The Euxine abyssal plain in
10829-547: The northern (black) and southern (red) seas : this points to the Achaemenids (550–330 BC). In the Greater Bundahishn , a Middle Persian Zoroastrian scripture, the Black Sea is called Siyābun . In the tenth-century Persian geography book Hudud al-'Alam , the Black Sea is called Georgian Sea ( daryā-yi Gurz ). The Georgian Chronicles use the name zğua sperisa ზღუა სპერისა (Sea of Speri) after
10948-554: The oligarchy; finally the fifth republic was institutionally aristocratic. By custom, prelates in Genoa were unable to take on public office. In the first two centuries from the institution of the Dogate for life in Genoa, it was above all the Adorno (seven doges elected) and Fregoso (ten doges elected) families who fought the position. After the reform of 1528, among the seventy-nine "biennial Doges" who came to power, many were elected from
11067-454: The outflow of fresher Black Sea surface-water into the Sea of Marmara occurs near the surface. According to Gregg (2002), the outflow is 16,000 cubic metres per second (570,000 cubic feet per second) or around 500 cubic kilometres per year (120 cubic miles per year), and the inflow is 11,000 m /s (390,000 cu ft/s) or around 350 km /a (84 cu mi/a). The following water budget can be estimated: The southern sill of
11186-564: The peak of the Khvalinian transgression, on the shelf shallow-water sands and coquina mixed with silty sands and brackish-water fauna, and inside the Black Sea Depression hydrotroilite silts. The middle layers on the shelf are sands with brackish-water mollusc shells. Of continental origin, the lower level on the shelf is mostly alluvial sands with pebbles, mixed with less common lacustrine silts and freshwater mollusc shells . Inside
11305-488: The photic zone, enhancing productivity. In total, the Black Sea's biodiversity contains around one-third of the Mediterranean's and is experiencing natural and artificial invasions or "Mediterranizations". The main phytoplankton groups present in the Black Sea are dinoflagellates , diatoms , coccolithophores and cyanobacteria . Generally, the annual cycle of phytoplankton development comprises significant diatom and dinoflagellate-dominated spring production, followed by
11424-535: The principle of restoring the legitimate governments and monarchies of the old Republic. The history of Genoa, of the Genoese and of the republic that held its fate for a long time, but also of the governments that gradually took turns leading the city, to reach the time of the Doges, is traceable through the work of historians who have continued the storytelling work begun at the end of the 11th century by Caffaro Di Caschifellone (historian and himself municipal consul) with
11543-490: The provocations of the Duke of Orléans and the former Duke of Milan , the Doge of Genoa Antoniotto Adorno made Charles VI of France the difensor del comune ("defender of the municipality") of Genoa. Though the republic had previously been under partial foreign control, this marked the first time Genoa was dominated by a foreign power. Though not well-studied, Genoa in the 15th century seems to have been tumultuous. The city had
11662-437: The region. As a result of these characteristics the Black Sea has gained interest from the field of marine archaeology , as ancient shipwrecks in excellent states of preservation have been discovered, such as the Byzantine wreck Sinop D , located in the anoxic layer off the coast of Sinop, Turkey . Modelling shows that, in the event of an asteroid impact on the Black Sea, the release of hydrogen sulfide clouds would pose
11781-565: The regional topography , as depressions and storm systems arriving from the Mediterranean are funneled through the low land around the Bosporus, with the Pontic and Caucasus mountain ranges acting as waveguides, limiting the speed and paths of cyclones passing through the region. The Black Sea is divided into two depositional basins—the Western Black Sea and Eastern Black Sea—separated by
11900-533: The republican administration. In 1148, it joined the Siege of Tortosa and helped Count Raymond Berengar IV of Barcelona take that city, for which it also received a third. Over the course of the 11th and particularly the 12th centuries, Genoa became the dominant naval force in the Western Mediterranean, as its erstwhile rivals Pisa and Amalfi declined in importance. Genoa (along with Venice) succeeded in gaining
12019-518: The sea was called the "Inhospitable Sea Πόντος Ἄξεινος Póntos Áxeinos by the inhabitants of the Pontus region of the southern shoreline before Greek colonisation due to its difficult navigation and hostile barbarian natives (7.3.6), and that the name was changed to "hospitable" after the Milesians colonised the region, bringing it into the Greek world. Popular supposition derives "Black Sea" from
12138-506: The state's extinction in 1797, the ruler of the republic was the Doge , originally elected for life, after 1528 elected for terms of two years; in practice, the Republic was an oligarchy ruled by a small group of merchant families, from whom the doges were selected. The Genoese navy played a fundamental role in the wealth and power of the Republic over the centuries and its importance was recognized throughout Europe. To this day, its legacy as
12257-569: The troops of the First Crusade of 1096–1099 by sea. In 1092, Genoa and Pisa, in collaboration with Alfonso VI of León and Castile attacked the Muslim Taifa of Valencia . They also unsuccessfully besieged Tortosa with support from troops of Sancho Ramírez , King of Aragon . Genoa started expanding during the First Crusade . In 1097 Hugh of Châteauneuf , Bishop of Grenoble and William , Bishop of Orange , went to Genoa and preached in
12376-510: The troops provided support during the siege. In the siege of Jerusalem in 1099, Genoese crossbowmen led by Guglielmo Embriaco acted as support units against the defenders of the city. After the capture of Antioch on May 3, 1098, Genoa forged an alliance with Bohemond of Taranto , who became the ruler of the Principality of Antioch . As a result, he granted them a headquarters, the church of San Giovanni, and 30 houses in Antioch. On May 6, 1098
12495-408: The two layers. Surface water leaves the Black Sea with a salinity of 17 practical salinity units (PSU) and reaches the Mediterranean with a salinity of 34 PSU. Likewise, an inflow of the Mediterranean with salinity 38.5 PSU experiences a decrease to about 34 PSU. Mean surface circulation is cyclonic ; waters around the perimeter of the Black Sea circulate in a basin-wide shelfbreak gyre known as
12614-582: The westward escape of the Anatolian block along the North Anatolian and East Anatolian faults dictates the current tectonic regime, which features enhanced subsidence in the Black Sea basin and significant volcanic activity in the Anatolian region. These geological mechanisms, in the long term, have caused the periodic isolations of the Black Sea from the rest of the global ocean system. The large shelf to
12733-422: Was "hardly more than a fishing village" or a vibrant trading town worth attacking. In the year 958, a diploma granted by Berengar II of Italy gave full legal freedom to the city of Genoa, guaranteeing the possession of its lands in the form of landed lordships. At the end of the 11th century the municipality adopted a constitution, at a meeting consisting of the city's trade associations ( compagnie ) and of
12852-526: Was a medieval and early modern maritime republic from the years 1099 to 1797 in Liguria on the northwestern Italian coast. During the Late Middle Ages , it was a major commercial power in both the Mediterranean and Black Sea . Between the 16th and 17th centuries, it was one of the major financial centres in Europe. Throughout its history, the Genoese Republic established numerous colonies throughout
12971-456: Was briefly occupied before a revolt liberated the city two months later. The Austrians returned in 1747 and, along with a contingent of Sardinian forces, laid siege to Genoa before being driven off by the approach of a Franco-Spanish army. Though Genoa retained its lands in the Peace of Aix-la-Chapelle , it was unable to keep its hold on Corsica in its weakened state. After driving out the Genoese,
13090-506: Was considered an ill omen and was euphemized to its opposite, Εὔξεινος Πόντος Eúxeinos Póntos (Hospitable Sea), also first attested in Pindar. This became the commonly used designation in Greek, although in mythological contexts the "true" name Póntos Áxeinos remained favoured. Strabo 's Geographica (1.2.10) reports that in antiquity, the Black Sea was often simply called "the Sea" ( ὁ πόντος ho Pontos ). He thought that
13209-440: Was conspicuous wealth, which in fact was not Genoese but concentrated in the hands of a tightly knit circle of banker-financiers, true " venture capitalists ". Genoa's trade, however, remained closely dependent on control of Mediterranean sealanes, and the loss of Chios to the Ottoman Empire (1566), struck a severe blow. The opening for the Genoese banking consortium was the state bankruptcy of Philip II in 1557, which threw
13328-571: Was eventually lifted with the aid of the Spanish , the French would later bombard the city in May 1684 for its support of Spain during the War of the Reunions . In-between, a plague killed as many as half of the inhabitants of Genoa in 1656–57. Genoa continued its slow decline well into the 18th century, losing its last Mediterranean colony, the island fortress of Tabarka , to the Bey of Tunis in 1742. In
13447-441: Was given the title praefectus civitatis Genuensis . During this time and in the following century Genoa was little more than a small centre, slowly building its merchant fleet , which was to become the leading commercial carrier of the Western Mediterranean. In 934–35 the town was thoroughly sacked and burned by a Fatimid fleet under Ya'qub ibn Ishaq al-Tamimi . This has led to discussion about whether early tenth-century Genoa
13566-742: Was known as la Superba ("the Superb One"), la Dominante ("The Dominant One"), la Dominante dei mari ("the Dominant of the Seas"), and la Repubblica dei magnifici ("the Republic of the Magnificents"). From the 11th century to 1528, it was officially known as the Compagna Communis Ianuensis and from 1580 as the Serenìscima Repùbrica de Zêna ( Most Serene Republic of Genoa). From 1339 until
13685-450: Was led by Albertino Morosini and Ugolino della Gherardesca . Genoa captured 30 Pisan ships, and sank seven. About 8,000 Pisans were killed during the battle, more than half of the Pisan troops, which were about 14,000. The defeat of Pisa, which never fully recovered as a maritime competitor, resulted in gain of control of the commerce of Corsica by Genoa. The Sardinian town of Sassari , which
13804-549: Was officially known as the Compagna Communis Ianuensis and from 1580 as the Serenìscima Repùbrica de Zêna (the Most Serene Republic of Genoa) or also Repubblica di Genova ( Latin : Res Publica Ianuensis , Ligurian : Repúbrica de Zêna ). It was nicknamed by Petrarch as La Superba , in reference to its glory and impressive landmarks. For over eight centuries the republic was also known as la Dominante ('The Dominant one'), la Dominante dei mari ('the Dominant of
13923-464: Was so innocuous, however, as medieval Genoa became a major player in the slave trade . The commercial and cultural rivalry of Genoa and Venice was played out through the thirteenth century. The Republic of Venice played a significant role in the Fourth Crusade , diverting "Latin" energies to the ruin of its former patron and present trading rival, Constantinople . As a result, Venetian support of
14042-472: Was strangled and briefly succeeded by his brother Niccolò , before an Ottoman fleet captured the island in September 1462, sending Niccolò as prisoner to Constantinople (where he was later executed) and putting an end to the family's power. Archaeological excavations in the castle of Mytilene since 1984 by the University of British Columbia under the direction of Caroline and Hector Williams have uncovered
14161-415: Was under Pisan control, became a commune or self-styled "free municipality" which was controlled by Genoa. Control of Sardinia, however, did not pass permanently to Genoa: the Aragonese kings of Naples disputed control and did not secure it until the fifteenth century. Genoese merchants pressed south, to the island of Sicily, and into Muslim North Africas, where Genoese established trading posts, pursuing
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