The conflict that would become known as the War of the Sicilian Vespers (1282 - 1302) had its origins in political and territorial conflicts that had begun over fifty ears before the start of the war. The links below, listed in chronological order, look at the various causes for a vicious conflict that would smolder for twenty years.
Rome and the Hohenstaufens
The Papacy and Manfred
Enter Charles of Anjou
The New King of Sicily
Last of the Hohenstaufens
Charles and the Crusade of St. Louis
Charles and the Byzantine Empire
Expansion of the Crown of Aragon
The Invasion of Valencia
The Crown of Aragon and North Africa
Claims to the Throne
Strategic Considerations
A Volatile Situation