Battle of Ica
1822 CE.
Shown on the map at -14.036°, -75.779°.
The Battle of Ica or Disaster at Macacona was a battle during the Peruvian War of Independence, which occurred on 7 April 1822 at the Hacienda Macacona near Ica, between the Liberation Army of Peru under command of Peruvian General Domingo Tristán, and the Spanish Royal Army under Gen. Brigadier José de Canterac. The Patriot army was decisively routed.
Text from the Wikipedia article Battle of Ica, licensed CC BY-SA 4.0.