Četekovac massacre
1991 CE.
Shown on the map at 45.611°, 17.757°.
The Četekovac massacre was the mass murder of Croat civilians and POWs by Serb forces on 3 September 1991, in the villages of Četekovac, Balinci and Čoljug, near Podravska Slatina.
Text from the Wikipedia article Četekovac massacre, licensed CC BY-SA 4.0.