Battle of Montaperti

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Battle of Montaperti
Part of the conflict between the Guelphs and Ghibellines
Date 4 September 1260[3] Location Monteaperti, Tuscany[4] 43°18′55″N 11°26′22″E / 43.31528°N 11.43944°E / 43.31528; 11.43944 Result Decisive Ghibelline victory [3]
Belligerents
Ghibellines:[1][2] Siena Manfred of Sicily Pisa Terni Florentine exiles	Guelphs:[1][2] Florence Lucca Bologna Prato Orvieto San Gimignano San Miniato Volterra Colle Val d'Elsa
Commanders and leaders
Provenzano Salvani Farinata degli Uberti Giordano d'Anglano Ildebrandino Aldobrandeschi [5][6][7]	Jacopo del Naca † Niccolò Garzoni † [5][6][7]
Strength
17,000 troops[5][6][8]	33,000 troops[1][5][6]
Casualties and losses
600 killed[9] 400 wounded[9]	2,500 killed[1][6][10] 1,500 captured[1][6][10]

The Battle of Montaperti was fought on 4 September 1260 between Florence and Siena in Tuscany as part of the conflict between the Guelphs and Ghibellines. The Florentines were routed. It was the bloodiest battle fought in Medieval Italy, with more than 10,000 fatalities. An act of treachery during the battle is recorded by Dante Alighieri in the Inferno section of the Divine Comedy.