Battle of Coutras
1587 CE.
Shown on the map at 45.042°, -0.127°.
The Battle of Coutras, fought on 20 October 1587, was a major engagement in the French Religious Wars between a Huguenot (Protestant) army under Henry of Navarre (the future Henry IV) and a royalist army led by Anne, Duke of Joyeuse. Henry of Navarre was victorious, and Joyeuse was killed while attempting to surrender.
Text from the Wikipedia article Battle of Coutras, licensed CC BY-SA 4.0.