Battle of Komarów
1914 CE.
Shown on the map at 50.450°, 23.417°.
The Battle of Komarow (known in Russia as the Battle of Tomaszów) was a battle on the Eastern Front during World War I. It would prove a victory for the Austro-Hungarian forces, but one they would not be able to reproduce in the coming months of the war.
Text from the Wikipedia article Battle of Komarów (1914), licensed CC BY-SA 4.0.