Benevento (Italian Wars).
Fought February 26, 1266, between the Neapolitans, under Mainfroy, the usurper of the crown of the Two Sicilies, and the French under Charles of Anjou. After a sanguinary engagement, in which Mainfroy was slain, the Neapolitans were utterly routed, and Charles of Anjou remained in undisputed possession of the throne.