Battle of Mansura
1864 CE.
Shown on the map at 31.055°, -92.048°.
The Battle of Mansura was fought near Mansura, Louisiana, on May 16, 1864, during the Red River Campaign of the American Civil War. A Union force defeated elements of the Confederate States Army.
Text from the Wikipedia article Battle of Mansura, licensed CC BY-SA 4.0.