Emirate of Sicily co-existence. This co-existence with the conquered population fell apart after the reconquest of Sicily, particularly following the death of King William II of Sicily in 1189. The Emirate of Sicily began to fragment as intra-dynastic quarrels took place within the Muslim regime. In 1044, under emir Hasan al-Samsam, who established al-Samsam Emirate of Sicily, the island fragmented into four qadits, or small fiefdoms: the qadit of Trapani, Marsala, Mazara and Sciacca, a certain Abdallah ibn Mankut; that of Girgenti, Castrogiovanni and Castronuovo (Ibn al-Hawwàs); that of Palermo and Catania; and that of Syracuse (Ibn Thumna). By 1065, all of them
History of Sicily mainland part (still known as the Kingdom of Sicily as well). The ensuing War of the Sicilian Vespers lasted until the peace of Caltabellotta in 1302, although it was to continue on and off for a period of 90 years. With two kings both claiming to be the King of Sicily, the separate island kingdom became known as the Kingdom of Trinacria. It is this very split that ultimately led to the creation of the Kingdom of the Two Sicilies some 500 years on. "See also: " Peter III's son, Frederick III of Sicily (also known as Frederick II of