Battle of Camas Creek
1877 CE.
Shown on the map at 44.353°, -111.885°.
The Battle of Camas Creek, August 20, 1877, was a raid by the Nez Perce people on a United States Army encampment in Idaho Territory and a subsequent battle during the Nez Perce War. The Nez Perce defeated three companies of U.S. cavalry and continued their fighting retreat to escape the army.
Text from the Wikipedia article Battle of Camas Creek, licensed CC BY-SA 4.0.