March 4, 2018May 25, 2022 by Steven Michael Martin September 17, 1862 was the “bloodiest day in American History”, when the battle of Antietam claimed 23,000 soldiers’ lives in a mere 12-hour combat. in Maryland / National Battlefields and Military Parks ShareYou may also likeWalters Art Museum BuildingRawlings ConservatoryBattle of Bull Run Reenactment - 155th Anniversary - Union CampFredericksburg NMP - Chatham Manor