Battle of Los Ángeles
1880 CE.
Shown on the map at -17.151°, -70.898°.
The Battle of Los Ángeles was a military action fought on 22 March 1880 between the Chilean and Peruvian armies during the Tacna and Arica Campaign of the War of the Pacific. The Chilean forces under Commander in chief Manuel Baquedano assaulted and defeated the Allied stronghold guided by Andrés Gamarra garrisoned at Los Angeles hill top.
Text from the Wikipedia article Battle of Los Ángeles, licensed CC BY-SA 4.0.