Battle of Fort Bisland
1863 CE.
Shown on the map at 29.710°, -91.351°.
The Battle of Fort Bisland was fought in the American Civil War between Union Major General Nathaniel P. Banks against Confederate Major General Richard Taylor during Banks' operations against the Bayou Teche region in southern Louisiana.
Text from the Wikipedia article Battle of Fort Bisland, licensed CC BY-SA 4.0.