Events (incomplete) which happened on the Italian peninsula in 1266:
Events 26 February – The Battle of Benevento occurs between the Guelph and Ghibelline factions. The Guelph faction wins a decisive victory, leading to the death of the King of Sicily, Manfred, and the end of Hohenstaufen rule over the Kingdom.
Deaths 26 February – Manfred, King of Sicily
References