آیدینجق (Ottoman Turkish)
Bas relief of a charioteer, late 6th century BC
|Location||Erdek, Balıkesir Province, Turkey|
|Abandoned||11th century AD|
|Periods||Archaic Greek to High Medieval|
|Cultures||Greek, Ancient Roman, Byzantine|
|Events||Siege of Cyzicus|
Cyzicus (//; Ancient Greek: Κύζικος Kyzikos; Ottoman Turkish: آیدینجق, Aydıncıḳ) was an ancient town of Mysia in Anatolia in the current Balıkesir Province of Turkey. It was located on the shoreward side of the present Kapıdağ Peninsula (the classical Arctonnesus), a tombolo which is said to have originally been an island in the Sea of Marmara only to be connected to the mainland in historic times either by artificial means or an earthquake.
The city was said to have been founded by Pelasgians from Thessaly, according to tradition at the coming of the Argonauts; later it received many colonies from Miletus, allegedly in 756 BC, but its importance began only after the Peloponnesian War, when the decay of Athens and Miletus set in. Alcibiades defeated the Lacedaemonians there (410 BC). Eudoxus of Cnidus had a school at Cyzicus and went with his pupils to Athens, visiting Plato, and then returned to Cyzicus, where he died 355 B.C. The era of Olympiads in Cyzicus was reckoned from 135 or 139.
Owing to its advantageous position it speedily acquired commercial importance, and the gold staters of Cyzicus were a staple currency in the ancient world till they were superseded by those of Philip of Macedon. Its unique and characteristic coin, the cyzicenus, was worth 28 drachmae.
During the Peloponnesian War (431–404 BC) Cyzicus was subject to the Athenians and Lacedaemonians alternately. In the naval Battle of Cyzicus in 410 during the Peloponnesian War, an Athenian fleet routed and completely destroyed a Spartan fleet. At the peace of Antalcidas (387 BC), like the other Greek cities in Asia, it was made over to Persia. Alexander the Great later captured it from the Persians in 334 BC and was later claimed to be responsible for the land bridge connecting the island to the mainland.
The history of the town in Hellenistic times is closely connected with that of the Attalids of Pergamon, with whose extinction it came into direct relations with Rome. Cyzicus was held for the Romans against King Mithridates VI of Pontus who besieged it with 300,000 men in 74 BC, but it withstood him stoutly, and the siege was raised by Lucullus: the loyalty of the city was rewarded by an extension of territory and other privileges. The Romans favored it and recognized its municipal independence. Cyzicus was the leading city of Northern Mysia as far as Troas.
Cyzicus was captured temporarily by the Arabs led by Muawiyah I in AD 675. It appears to have been ruined by a series of earthquakes beginning in 443, with the last in 1063. Although its population was transferred to Artake before the 13th century when the peninsula was occupied by the Crusaders, in 1324 the metropolitan of Cyzicus was one of three sees in Anatolia which was able to contribute a temporary annual subsidy to the Patriarchate of Constantinople. Following its conquest by the Ottomans it underwent hard times. From a point between 1370 and 1372 until 1387, the metropolitan was empty; Speros Vryonis speculates this was due to financial difficulties. Later in the 14th century, the sees of Chalcedon and certain patriarchal possessions in Bithynia and Hellespont were bestowed on the metropolitan of Cyzicus.
Cyzicus, as capital of the Roman province of Hellespontus, was its ecclesiastical metropolitan see. In the Notitiae Episcopatuum of Pseudo-Epiphanius, composed in about 640, Cyzicus had 12 suffragan sees; Abydus, Baris in Hellesponto (between Sariköy and Biga), Dardanus, Germa in Hellesponto (ruins of Germaslu, Kirmasti, Girmas), Hadrianotherae (Uzuncia yayla), Ilium, Lampsacus, Miletopolis, Oca, Pionia (Avcılar), Poemanenum (Eskimanias), Troas. The province also included two autocephalous archiepiscopal sees: Parium and Proconnesus.
Cyzicus had a catalogue of bishops beginning with the 1st century; Michel Le Quien (I, 747) mentions fifty-nine. A more complete list is found in Nicodemos, in the Greek "Office of St. Emilian" (Constantinople, 1876), 34–36, which has eighty-five names. Of particular importance are the famous Arian theologian Eunomius of Cyzicus; Saint Dalmatius; bishops Proclus and Germanus, who became Patriarchs of Constantinople; and Saint Emilian, a martyr in the 8th century. Another saint who came from Cyzicus, Saint Tryphaena of Cyzicus, is the patron saint of the city. Gelasius, a historian of Arianism, who wrote about 475, was born at Cyzicus.
Cyzicus remained a metropolitan see of the Greek Orthodox Church until the 1923 Convention Concerning the Exchange of Greek and Turkish Populations emptied it of Greek Orthodox faithful, whether they spoke Greek or Turkish. The last bishop of the see died in 1932. Today it is a titular metropolis of the Ecumenical Patriarchate of Constantinople.
The site amid the marshes of Balkiz Serai is known as Bal-Kiz and entirely uninhabited, though under cultivation. The principal extant ruins are the walls, dating from the fourth century, which are traceable for nearly their whole extent, and the substructures of the temple of Hadrian, the ruins of a Roman aqueduct and a theatre.
The picturesque amphitheatre, intersected by a stream, was one of the largest in the world. Construction for the amphitheatre began in the middle of the first century C.E until the end of the third century C.E. Its diameter was nearly 500 feet (150 m) and it is located specifically at these coordinates within the region of Cyzicus. Of this magnificent building, sometimes ranked among the seven wonders of the ancient world, thirty-one immense columns still stood erect in 1444. These have since been carried away piecemeal for building purposes.
Colossal foundations of a temple dedicated to the Emperor Hadrian are still visible: the columns were 21.35 metres high (about 70 feet), while the highest known elsewhere, those at Baalbek in Syria are only 19.35 metres (about 63 feet).
The monuments of Cyzicus were used by the Byzantine emperor Justinian as a quarry for the building of his Saint Sophia cathedral, and were still exploited by the Ottomans.
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