Battle of Montaperti

You can help expand this article with text translated from the corresponding article in Italian. (September 2012) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Italian Wikipedia article at [[:it:Battaglia di Montaperti]]; see its history for attribution. You may also add the template {{Translated|it|Battaglia di Montaperti}} to the talk page. For more guidance, see Wikipedia:Translation.

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]	Jacopino Rangoni † 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.