Battle of Courtrai
1918 CE.
Shown on the map at 50.833°, 3.267°.
The Battle of Courtrai (also known as the Second Battle of Belgium (French: 2ème Bataille de Belgique) and the Battle of Roulers (French: Bataille de Roulers)) was one of a series of offensives in northern France and southern Belgium that took place in late September and October 1918.
Text from the Wikipedia article Battle of Courtrai (1918), licensed CC BY-SA 4.0.