Dictionary of Battles / From the Earliest Date to the Present Time

by Thomas Benfield Harbottle

Monte Aperto (Guelfs and Ghibellines).

Fought September 4, 1260, between the Florentine Guelfs, and the Ghibellines, who had been driven from the city, under Manfred of Sicily. The Guelfs were totally routed, and the victors took possession of Florence, and re-established their rule.