Adopted circa 1913; The Catalan Flag, The Senyera, is thought to be one of the oldest flags of the world. It probably derives from 11th century or 12th century pre-heraldic symbols. In Catalan, Senyera is also a synonym of bandera ('flag'), although normally people use the word to refer to the Catalan flag in particular. The Senyera consists of four red stripes on a golden background. It has represented Crown of Aragon and Count of Barcelona; today it is the flag of the Autonomous Community of Catalonia. In addition, the current official flags of Aragon, the Balearic Islands and the Valencian Community, are based upon this symbol. In Aragon an extra coat-of-arms, in Balearic Islands a castle in the canton, and in Valencia blue fringe on the hoist.