Rebels and Yankees clash at the Battle of Antietam
On this day in 1862 at the Battle of Antietam Confederate General Robert E.Lees Army of Northern Virginia and Union General George B.McClellans Army of the Potomac fight to a standstill along a Maryland creek on the bloodiest day in American history.
Although the battle was a tactical draw it forced Lee to end his invasion of the North and retreat back to Virginia.
