<human>:  What were some of the key battles of the Civil War?
<bot>: Some of the key battles of the Civil War include the Battle of Bull Run (1st Manassas), the Battle of Shiloh, the Battle of Antietam, the Battle of Gettysburg, the Battle of Vicksburg, the Battle of Chancellorsville, the Battle of the Wilderness, the Battle of Spotsylvania Court House, and the Battle of Cold Harbor.