There are a number of battle, not just one.
The Battle of Antietam (Battle of Sharpsburg) .
Vicksburg
The Battle of Gettysburg was fought during the American Civil War.
The Battle of Gettysburg was fought during the U.S. Civil War.
The Battle of Palmito Ranch, fought on May 13, 1865, was the last battle of the Civil War.
The North fought the South in the US Civil War.
Antietam Creek
The bloodiest single day of the US Civil War was the Battle of Antietam, fought on September 17, 1862. It is also called the Battle of Sharpsburg and occurred near the town of Sharpsburg, Maryland.
The Battle of Gettysburg was fought in Pennsylvania.
battle of pea ridge
Gettysburg
Virginia