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.
Flag of Sicily as the "trinacria", which is also an ancient name of Sicily. The name was also revived and used during the Aragonese period of the Kingdom of Sicily immediately after the Sicilian Vespers (1282) which ended Angevin rule. During the period of Muslim rule under Emirate of Sicily (831–1072), the island used a pure green flag, similar to the former national flag of Libya under Muammar Gaddafi. Flag of Sicily The flag of Sicily (; ) was first adopted in 1282, after the successful Sicilian Vespers revolt against the king Charles I of Sicily. This flag bears a resemblance to the