710911 Confederate Dead at Antietam (b/w photo) by American Photographer, (19th century); Private Collection; (add.info.: The Battle of Antietam also known as the Battle of Sharpsburg, particularly in the South, fought on Wednesday, September 17, 1862, near Sharpsburg, Maryland, and Antietam Creek, as part of the Maryland Campaign, was the first major battle in the American Civil War to take place on Union soil. It was the bloodiest single-day battle in American history, with 22,717 dead, wounded and missing on both sides combined.); The Stapleton Collection; American, out of copyright.