Alfred Pleasonton (July 7, 1824 – February 17, 1897) US Army officer & Union General during the American Civil War. He commanded the Cavalry Corps of the Army of the Potomac during the Gettysburg Campaign, including the largest predominantly cavalry battle of the war, Brandy Station. In 1864 he was transferred to the Trans-Mississippi Theater, where he defeated Confederate Gen. Sterling Price in two key battles, effectively ending the war in Missouri. Pleasonton was born in Washington, D.C
The "Bloody Lane" Antietam Battlefield, Sharpsburg, Maryland When dawn broke along Antietam Creek on Sept. 17, 1862, cannon volleys launched a Civil War battle that would leave 23,000 casualties on the single bloodiest day in U.S. history.