Battle of Roccavione
1275 CE.
Shown on the map at 44.317°, 7.483°.
The Battle of Roccavione was the last battle of the invasion of the territory of Asti by Angevine troops from the Kingdom of Sicily. Charles I of Sicily was defeated, and his entire invasion failed. The battle was also the end of the Astigiani participation in the wars of the Guelphs and Ghibellines, and the end of Charles' intervention in the rest of the Italian Peninsula.
Text from the Wikipedia article Battle of Roccavione, licensed CC BY-SA 4.0.