Pyrgoi massacre
1944 CE.
Shown on the map at 40.670°, 21.834°.
The Pyrgoi massacre was a large-scale massacre on April 23, 1944, in Kozani, Greece, perpetrated by Germans with local accomplices. Records indicate that 563 men, women, and children were killed on that day. Among the atrocities that were committed, women and children were rounded up and burned alive.
Text from the Wikipedia article Pyrgoi massacre, licensed CC BY-SA 4.0.