On this day: September 17

Published On: Sep 14 2012 02:49:58 PM EDT   Updated On: Sep 17 2013 02:00:00 AM EDT
Civil War, Battle of Antietam painting

The U.S. Constitution is signed, the Civil War sees the bloodiest battle in American history, the prototype space shuttle Enterprise is unveiled, and the Camp David Accords bring peace between Egypt and Israel, all on this day.