Massacre of Tamines
1914 CE.
Shown on the map at 50.433°, 4.609°.
The massacre of Tamines were the summary executions and mass murder perpetrated by the German army against Belgian civilians in the town of Tamines in Namur, Belgium in the early period of the First World War.
Text from the Wikipedia article Massacre of Tamines, licensed CC BY-SA 4.0.