Major General George B. McClellan was commanding the Federal Army of the Potomac at the Battle of Antietam.
The importance of The Battle of Antietam was for General Lee to advance into Northern territory and to turn the tide of the war in favor of the Confederacy.
Robert Edward Lee was the Commanding General for the Confederate Army of Northern Virginia at this battle.
The Battle of Antietam was in Maryland in 1862. Robert E. Lee's army, the Army of Northern Virginia, took on heavy casualties. He had little choice but to retreat back to Virginia.
Antietam
Antietam was considered a Northern victory.
Lincoln was disappointed that General George B. McClellan had allowed Confederate general Lee to escape after the Battle of Antietam. The result of Lincoln's disappointment was the replacement of McClellan by General Burnside.
General Robert E. Lee
George B. McClellan
General Robert E. Lee commanded the Confederate army at the Battle of Antietam, known in the south as the Battle of Sharpsburg.
The commander of the Confederate army at Antietam was General Robert E. Lee.
As the Battle of Antietam approached General George B. McClellan received military intelligence on the Army of Northern Virginia from three sources. One was his cavalry general Alfred Pleasonton, also from Allan Pinkerton and Maryland civilians loyal to the Union.
Major General George B. McClellan.