Battle of Somerset
1863 CE.
Shown on the map at 37.115°, -84.596°.
The Battle of Somerset (or Dutton's Hill) was fought on March 30, 1863, during the American Civil War. General John Pegram led a Confederate cavalry raid into central Kentucky which was defeated by Union forces under General Quincy A. Gillmore.
Text from the Wikipedia article Battle of Somerset, licensed CC BY-SA 4.0.