Battle of San Félix
1817 CE.
Shown on the map at 8.318°, -62.622°.
The Battle of San Félix was an engagement in the Guayana campaign of the War of Independence of Venezuela, that occurred on 11 April 1817, on the mesa of Chirica in Province of Guayana, over the course of just half an hour.
Text from the Wikipedia article Battle of San Félix, licensed CC BY-SA 4.0.