Battle of Punta Malpelo
1828 CE.
Shown on the map at -3.501°, -80.492°.
The Battle of Punta Malpelo was a naval encounter between a Peruvian corvette and two Gran Colombian vessels on 31 August 1828, near the port of Guayaquil, and was the first major combat of the Peruvian Navy as an independent force of the newborn Peruvian nation.
Text from the Wikipedia article Battle of Punta Malpelo, licensed CC BY-SA 4.0.