Battle of Iganie
1831 CE.
Shown on the map at 52.167°, 22.211°.
The Battle of Iganie was fought on 10 April 1831 between Russian and Polish forces. It was one of the last major battles of the November Uprising and the last major offensive for the Poles.
Text from the Wikipedia article Battle of Iganie, licensed CC BY-SA 4.0.