Bloodiest day ever - Battle of Antietam Sept 17, 2010 23:54:08 GMT -4 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Die Fledermaus on Sept 17, 2010 23:54:08 GMT -4 This is the 138th anniversary of the Battle of Antietam--the bloodiest single day's battle in American History. September 17, 1862, Sharpsburg, Maryland.More on that later. . .