16 oct 1862 año - Battle of antietam is fought

Descripción:

Fought on September 17, 1862, Antietam was the bloodiest single-day battle in American history with over 23,000 casualties (men listed as killed, wounded, captured or missing) in roughly 12 hours. The battle ended the Confederate invasion of Maryland in 1862 and resulted in a Union victory. http://www.softschools.com/facts/civil_war/battle_of_antietam_facts/863/