Battle of Mount Gray
1864 CE.
Shown on the map at 35.746°, -111.474°.
The Battle of Mount Gray was an engagement of the Apache Wars fought at the foothills of Gray Mountain (then known as Mount Gray) on April 7, 1864. A troop of the United States Army's California Column attacked a superior force of Chiricahua Apaches at their camp and routed them from the field.
Text from the Wikipedia article Battle of Mount Gray, licensed CC BY-SA 4.0.