Battle of Benevento: An army led by Charles, Count of Anjou, defeats a combined German and Sicilian force led by King Manfred of Sicily. Manfred is killed in the battle and Pope Clement IV invests Charles as king of Sicily and Naples.

Conradin, the last legitimate male heir of the Hohenstaufen dynasty of Kings of Germany and Holy Roman Emperors, is executed along with his companion Frederick I, Margrave of Baden by Charles I of Sicily, a political rival and ally to the hostile Roman Catholic church.

The Eighth Crusade and siege of Tunis end by an agreement between Charles I of Sicily (brother to King Louis IX of France, who had died months earlier) and the sultan of Tunis.