The Pavoloch Massacre
1941 CE.
Shown on the map at 49.866°, 29.451°.
The Pavoloch massacre was a mass killing during the Holocaust on September 5, 1941, in which the Ukrainian shtetl of Pavoloch was depopulated of Jews by the Einsatzgruppen.
Text from the Wikipedia article Pavoloch massacre, licensed CC BY-SA 4.0.