County of Sicily was created by Robert Guiscard in 1071 for his younger brother Roger Bosso. Guiscard himself had received the title Duke of Sicily ("dux Siciliae") in 1059 from Pope Nicholas II as encouragement to conquer it from the Muslims. In 1061 the first permanent Norman conquest (Messina) was made and in 1071, after the fall of Palermo, the capital of the emirate and future capital of the county, Guiscard invested Roger with the title of count and gave him full jurisdiction in the island save for half the city of Palermo, Messina, and the Val Demone, which he retained for himself.
History of Sicily Lombards in the middle of the 6th century, Syracuse became Byzantium's main western outpost. Latin was gradually supplanted by Greek as the national language and the Greek rites of the Eastern Church were adopted. The Byzantine Emperor Constans II decided to move from the capital Constantinople to Syracuse in Sicily in 663, the following year he launched an assault from Sicily against the Lombard Duchy of Benevento, which then occupied most of Southern Italy. The rumours that the capital of the empire was to be moved to Syracuse, along with small raids probably cost Constans his life as he was