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 .