Original: Central and South Europe 1260 - September 4 - The forces of King Manfred of Sicily, in league with the Ghibellines, defeat the Guelphs in the Battle of Montaperti.
Simplified: Central and South Europe 1260 - September 4 - The armed forces of King Manfred of Sicily with the Ghibellines won a battle agains the Guelphs at Monte Aperto.