Battle of Moncontour
1569 CE.
Shown on the map at 46.883°, -0.016°.
The Battle of Moncontour occurred on 3 October 1569 between the royalist Catholic forces of King Charles IX of France, commanded by Henry, Duke of Anjou, and the Huguenots commanded by Gaspard II de Coligny.
Text from the Wikipedia article Battle of Moncontour, licensed CC BY-SA 4.0.