On this day: March 21

POSTED: 12:38 PM MDT Mar 18, 2013    UPDATED: 12:00 AM MDT Mar 21, 2014 
Martin Luther King, Selma to Montgomery march

Alcatraz prison closes, Martin Luther King Jr. marches toward Montgomery, the U.S. decides to boycott Moscow's Olympics, and Spielberg nabs his first Oscar, all on this day.