Siege of Tubac
1861 CE.
Shown on the map at 31.626°, -111.052°.
The siege of Tubac was a siege during the Apache Wars between settlers and militia of Confederate Arizona and the Chiricahua Apaches. The battle took place at Tubac in present-day southern Arizona. The actual dates of this engagement have been lost to time.
Text from the Wikipedia article Siege of Tubac, licensed CC BY-SA 4.0.