Charles has introduced feudalism to the Italian…

Charles has introduced feudalism to the Italian south at a time when it is weakening elsewhere.

His oppressive regime is highly unpopular, particularly in Sicily.

A spontaneous outbreak against Angevin rule, possibly fanned by agents provocateurs in the pay of Aragon and Constantinople, begins in Palermo at the time of vespers (evening worship) on Easter Monday, 1282, when some Sicilians attending a church service assault and kill several French soldiers.

who had insulted them The revolt, spreading across the island, results in the massacre, during the night of March 30-31, of about two thousand French inhabitants, almost the entire French population of Sicily.