Flag of Sicily Autonomous Region of Sicily on 4 January 2000, after the passing of an apposite law which advocates its use on public buildings, schools, city halls, and all the other places in which Sicily is represented. The flag is bisected diagonally into regions colored red and yellow, red representing the municipality of Palermo, yellow representing Corleone, which in medieval times was an agricultural city of renown. Palermo and Corleone were the first two cities to found a confederation against the Angevin rule. Today, the triskelion (or "trisceli") is also widely considered the actual symbol of Sicily. The symbol is also known
Kingdom of Sicily of Sicily merged with the Kingdom of Naples to form the Kingdom of the Two Sicilies. In 1861 the Two Sicilies were amalgamated with Sardinia and several northern city-states and duchies to form the Kingdom of Italy. By the 11th century mainland southern Lombard and Byzantine powers were hiring Norman mercenaries, who were descendants of the Vikings; it was the Normans under Roger I who conquered Sicily, taking it away from the Arab Muslims. After taking Apulia and Calabria, Roger occupied Messina with an army of 700 knights. In 1068, Roger I of Sicily and his men defeated the Muslims