The Battle of Antietam, the bloodiest single day in American history, resulted in significant outcomes such as Lincoln's Emancipation Proclamation.
The Battle of Antietam occurred in September 1862 in Maryland, representing the bloodiest single day in American history with over 23,000 men killed or wounded. Despite being a technical tie, it was considered a loss for the South as it led to significant outcomes like Lincoln's Emancipation Proclamation shifting the war aims from simple union to Emancipation.
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