Battle of Matewan
1920 CE.
Shown on the map at 37.623°, -82.166°.
The Battle of Matewan (also known as the Matewan Massacre) was a shootout in the town of Matewan in Mingo County and the Pocahontas Coalfield mining district, in southern West Virginia. It occurred on May 19, 1920 between local coal miners and their allies and the Baldwin–Felts Detective Agency. The dead included the detective agency's founder's two brothers and Matewan's mayor Cabell Testerman, who supported the union.
Text from the Wikipedia article Battle of Matewan, licensed CC BY-SA 4.0.