Death in September: The Antietam Campaign

Early September 1862 . . . Gen. Robert E. Lee's Army of Northern Virginia crosses the Potomac River and invades the North for the first time during the Civil War. Maj. Gen. George B. McClellan's Army of the Potomac moves northwest through Maryland in pursuit of the Confederates. Lee decides on a daring course of action. To capture the Union garrison at Harpers Ferry, the Confederate commander boldly divides his army. Meanwhile in one of the greatest intelligence coups of the war, two Federa...