On this day: March 21

Published On: Mar 18 2013 01:38:04 PM CDT   Updated On: Mar 21 2016 01:00:00 AM CDT

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.

OTD March 21 - JR Ewing shot
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Warner Bros. Television

1980: In an episode of the TV show "Dallas" titled "A House Divided," the character J.R. Ewing, played by Larry Hagman, is shot by an unknown assailant. Viewers had to wait until the October conclusion, "Who Done It," to discover who had shot him.

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