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Antietam on the Web
A comprehensive resource from Antietam on the Web of the Battle of Antietam, including historical documents, battle maps and much more.
Library of Congress
Loc: America's Story: The Battle of Antietam
What was the bloodiest battle in all American history? The Battle of Antietam , during the Civil War, wins this dubious honor. The Library of Congress has more information about this famous battle along with some actual photographs.