Battle of Cocherel
1364 CE.
Shown on the map at 49.059°, 1.342°.
The Battle of Cocherel was fought on 16 May 1364 between the forces of Charles V of France and the forces of Charles II of Navarre (known as Charles the Bad) under the command of Bertrand du Guesclin, over the succession to the Kingdom of France. The result was a French victory.
Text from the Wikipedia article Battle of Cocherel, licensed CC BY-SA 4.0.