5h 11min, sep 17, 1862 y - Battle of Antietam
Description:
There were many bloody battles after Fort Sumter. September 17 was the bloodiest single-daybattle in the Civil War. The Battle of Antietam in Maryland resulted in almost 23,000 casualties.
Added to timeline:
Date:
5h 11min, sep 17, 1862 y
Now
~ 163 years ago