Antioch
Arab and Byzantine era

In 637, during the reign of the Byzantine emperor Heraclius, Antioch was conquered by Abu Ubayda ibn al-Jarrah of the Rashidun Caliphate during the Battle of the Iron Bridge, marking the beginning of Islamic influence in the region. The city became known in Arabic as أنطاكية Anṭākiyah. Under the Umayyad Caliphate (661–750 AD), Antioch served as a significant military and administrative center. The Umayyads fortified the city, utilizing it as a base for operations in the region. The city remained an important urban center, with its multicultural population including Christians, Muslims, and Jews living together, although there were periods of tension and conflict. However, since the Umayyad dynasty was unable to penetrate the Anatolian Plateau, Antioch found itself on the frontline of the conflicts between two hostile empires during the next 350 years, so that the city went into a precipitous decline. During the Abbasid period (750–969 AD), Antioch continued to thrive as a hub of commerce and culture. Under the Abbasids, closer relations were developed with Byzantium, but it was not until the Fatimids opened up the Mediterranean for shipping from the end of the fourth/tenth century that the affairs of western Europe and the Near East began to interact once again. The Abbasids placed a strong emphasis on trade, which facilitated economic prosperity in Antioch. The city became known for its diverse markets, contributing to the flow of goods and ideas between the Islamic world and the Byzantine Empire.

The decline of Arab rule in Antioch began in the late 9th century with increasing pressure from the Byzantine forces. The city changed hands several times during the Byzantine-Arab wars, Before finally, in 969 AD, under the Byzantine Emperor Nikephoros II Phokas, the city was captured after the siege of Antioch (968–969) by the Byzantine general Michael Bourtzes and the stratopedarches Peter. It soon became the seat of a doux, the civil governor of the homonymous theme, but also the seat of the somewhat more important Domestic of the Schools of the Orient, the supreme military commander of the imperial forces on the eastern frontier. Sometimes both offices were held by the same person, usually military officers such as Nikephoros Ouranos, or Philaretos Brachamios, who managed to retain the integrity of the eastern borderline after the Seljuk conquest of Anatolia. The size of the Melkite community increased during that time due to immigration from Christians from Fatimid Egypt but also other parts of the Near East and Christians remained the dominant population up to the Crusades.

As the empire disintegrated rapidly before the Komnenian restoration, Dux of Antioch & Domestic of the Schools of the East Philaretos Brachamios held the city until Suleiman ibn Qutalmish, the emir of Rum, captured it from him in 1084. Two years later, Suleiman was killed fighting against Tutush, the brother of the Seljuk Sultan, who annexed the city into the Seljuk Empire. Yagisiyan was appointed governor. He became increasingly independent within the tumultuous years following Malik-Shah's death in 1092.
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