Syracuse, Sicily Sicily until it fell to the Aghlabids after another siege on 20/21 May 878. During the two centuries of Muslim rule, the capital of the Emirate of Sicily was moved from Syracuse to Palermo. The Cathedral was converted into a mosque and the quarter on the Ortygia island was gradually rebuilt along Islamic styles. The city, nevertheless, maintained important trade relationships, and housed a relatively flourishing cultural and artistic life: several Arab poets, including Ibn Hamdis, the most important Sicilian Arab poet of the 12th century, flourished in the city. In 1038, the Byzantine general George Maniakes reconquered the city,
Emirate of Sicily of the multi-ethnic County and subsequent Kingdom of Sicily, until those who had not already converted were expelled in the 1240s. Until the late 12th century, and probably as late as the 1220s, Muslims formed a substantial portion of the island's population. Their influence remains in some elements of the Sicilian language, as well as surnames and locations. In 535, Emperor Justinian I returned Sicily to the Roman Empire, now ruled from Constantinople exclusively. As the power of what is now known as the Byzantine Empire waned in the West, Sicily was conquered by the Rashidun Caliphate during the reign