Battle of Mir
1812 CE.
Shown on the map at 53.450°, 26.467°.
The Battle of Mir took place on 9 and 10 July 1812 during Napoleon's invasion of Russia. Three Polish Lancers divisions battled against Russian cavalry, ending in the first major Russian victory in the war.
Text from the Wikipedia article Battle of Mir (1812), licensed CC BY-SA 4.0.