Koraj massacre
1941 CE.
Shown on the map at 44.709°, 18.883°.
The Koraj massacre was the 28 November 1941 mass murder of over a hundred Bosnian Muslim peasants from the village Koraj near Brčko by Serbian Chetniks. The massacre was in response to the 1941 anti-Communist Tuzla Rebellion.
Text from the Wikipedia article Koraj massacre, licensed CC BY-SA 4.0.