17 sept. 1862 - The Battle of Antietam was Fought

Description:

The Battle of Antietam was fought on September 17, 1862 between the Union and the Confederacy during the Civil War. It took place near Sharpsburg, Maryland. The Southern forces were led by General Robert E. Lee and the Northern forces were led by General George B. McClellan.

Source: http://www.ducksters.com/history/civil_war/battle_of_antietam.php

http://www.history.com/news/7-ways-the-battle-of-antietam-changed-america