Battle of Montenaken
1465 CE.
Shown on the map at 50.722°, 5.134°.
The Battle of Montenaken was fought between the forces of Liège and the Burgundian State on 20 October 1465 as part of the First Liège War. Although outnumbered, the Burgundian force succeeded in routing the militia of Liège, inflicting heavy casualties.
Text from the Wikipedia article Battle of Montenaken, licensed CC BY-SA 4.0.