Emirate of Sicily Emirate of Sicily The Emirate of Sicily () was an emirate on the island of Sicily which existed from 831 to 1091. Its capital was Palermo. Muslim Moors, who first conquered in 652, seized control of the entire island from the Byzantine Empire in a prolonged series of conflicts from 827 to 902. An Arab-Byzantine culture developed, producing a multiconfessional and multilingual state. The Emirate was conquered by Christian Norman mercenaries under Roger I of Sicily, who founded the County of Sicily in 1071. The last Muslim city in the island, Noto, was conquered in 1091. Sicilian Muslims remained citizens
Roger II of Sicily Proud, descended the peninsula to support the three rebels. Henry, Robert, and Ranulf took a large contingent of troops to besiege the peninsular capital of the kingdom, Salerno. Roger remained in Sicily, leaving its mainland garrisons helpless under the chancellor Robert of Selby, while even the Byzantine emperor John II Comnenus sent subsidies to Lothair. Salerno surrendered, and the large army of Germans and Normans marched to the very south of Apulia. There, in June 1137, Lothair besieged and took Bari. At San Severino, after the victorious campaign, he and the pope jointly invested Ranulf as duke of Apulia in