Bloodiest day of the Civil War


Union 12,400

Confederate 10,320


September 17, 1862


Major Generals


Antietam led to the Emancipation Proclamation

Issued on January 1, 1863, it stated that slaves in the rebelling southern states were now free. This did not apply to the border states with slavery. President Lincoln issued the Emancipation Proclamtion to prevent France and Britain to support the Confederacy. He knew they wouldn't help a "country" that had slavery.

Estimated Casualties

All together, the estimated number of soldiers killed, wounded, missing, and captured are 22,717. This marked the single bloodiest day of the Civil War.