at bull run creek in Virginia
The Battle of Antietam lasted for hours. By the end of the battle the union suffered more than 12,000 casualties and the Confederates more than 13,000. Antietam was on of the bloodiest single day battle of the war, but the Union won.
The Emancipation Proclamation was a document that freed the slaves during the civil war. The Emancipation Proclamation went into effect on January 1, 1863. The loss of slave labor in the south hurt their economy and the Confederate war effort.
Same day as General Lee's forces retreat after losing the battle at Gettysburg in Pennsylvania
about 100,00 men against 70,000 confedrates