On this day: December 4

POSTED: 4:14 PM PST December 3, 2012    UPDATED: 11:00 PM PST December 3, 2013 
Pan Am airliner

The U.S. Senate approves America's participation in the United Nations, the "Million Dollar Quartet" jams at Sun Studios, Led Zeppelin disbands, and Pan Am collapses, all on this day.