Where did the single bloodiest day of the entire civil war took place

Battle of Sharpsburg, resulted in not only the bloodiest day of the American Civil War, but the bloodiest single day in all of American history. Fought primarily on September 17, 1862, between the town of Sharpsburg, Maryland, and Antietam Creek, it ended Gen. Robert E. Lee's first invasion of a northern state.

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battle of sharps berg was resulted the bloodiest battle of civil war history