» For Trinacria as a place-name in Greek mythology, see Thrinacia. Trinacria is both an alternative name for Sicily and its national symbol (an ancient form of the Triskelion) which also appears on its flag. Historically, the name was used after the Peace of Caltabellotta (1302) to distinguish between the two Sicilies that became a reality after the War of the Sicilian Vespers. Frederick III of Sicily was recognised as king over Sicily, with the title of "King of Trinacria." Charles of Anjou wa… (More on Trinacria)