On this day: December 20

Published On: Dec 20 2012 01:21:48 AM EST   Updated On: Dec 20 2012 02:00:00 AM EST
U.S. invasion of Panama, 1989

The Louisiana Purchase is completed, South Carolina secedes from the U.S., Edison demonstrates his incandescent light, Elvis gets drafted, and the U.S. invades Panama, all on this day.