The Battle of Gettysburg is the most famous battle that occurred in the Eastern Theater of the American Civil War. Other battles included the Battle of Malvern Hill, the Battle of Chancellorsville, and the Battle of Opequon.

ARMY OF THE POTOMAC was the major Union Army in the eastern theater of the American Civil War

The Battle of Gettysburg is the most famous battle that occurred in the Eastern Theater of the American Civil War. Other battles included the Battle of Malvern Hill, the Battle of Chancellorsville, and the Battle of Opequon.

A major Civil War Battle of the Western Theater during the American Civil War.

In 1861 the civil war was mostly fought in the eastern theater. Battles such as the first Bull Run defined what the next 4 years of war would be like.