Battle of Cahuenga Pass
1831 CE.
Shown on the map at 34.131°, -118.350°.
The Battle of Cahuenga Pass of 1831 was fought at Cahuenga Pass near Los Angeles between the unpopular Mexican Governor of California (Manuel Victoria), and a force assembled by wealthy local landowners. Only two men, the lancer Pacheco on the government side and a rebel Jose Avila, were killed. Victoria was severely wounded.
Text from the Wikipedia article Battle of Cahuenga Pass, licensed CC BY-SA 4.0.