Battle of Lake Borgne
1814 CE.
Shown on the map at 30.164°, -89.437°.
The Battle of Lake Borgne was a coastal engagement between the Royal Navy and the United States Navy in the American South theatre of the War of 1812. It occurred on December 14, 1814 on Lake Borgne. The British victory allowed them to disembark their troops unhindered nine days later and to launch an offensive upon New Orleans on land.
Text from the Wikipedia article Battle of Lake Borgne, licensed CC BY-SA 4.0.