In addition to Robert Guiscard, in 1282, this place experienced its namesake (*) Vespers.
Rumors that Emperor Constans II would move the capital from Constantinople to this island led to his death. Although not Egypt, its Aghlabid Dynasty was replaced by the Fatimids. A civil war in this place ended via the Treaty of Caltabellota, while Muslim rule of this place ended with the invasion of a man who would fight Alexius Comnenus at Dyrrhachium and had Bohemund as his son. In addition to Robert Guiscard, in 1282, this place experienced its namesake (*) Vespers. Featuring cities such as Messina and its capital Palermo along with Syracuse, for 10 points, name this island south of Italy.
Rumors that Emperor Constans II would move the capital from Constantinople to this island led to his death.
{Sicily} [accept {Sicilia}; accept {Regione Autonoma Siciliana}; accept {Syracuse} or {Siracusa} before mention of {civil war}]