Second Battle of Chattanooga
1863 CE.
Shown on the map at 35.074°, -85.319°.
The Second Battle of Chattanooga took place during the American Civil War, beginning on August 21, 1863, as the opening battle in the Chickamauga Campaign. The larger and more famous battles were the Battles for Chattanooga (generally referred to as the Battle of Chattanooga) in November 1863.
Text from the Wikipedia article Second Battle of Chattanooga, licensed CC BY-SA 4.0.