On this day: February 21

Published: Feb 21 2013 12:46:53 AM EST   Updated On: Feb 21 2014 02:00:00 AM EST

The Washington Monument is dedicated, Alka-Seltzer is sold for the first time, the peace symbol is born, Malcolm X is assassinated, and Nixon heads to China, all on this day.

OTD February 21 - David Letterman
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CBS Television

2000: David Letterman returns to the late-night talk show "Late Show with David Letterman" about five weeks after having an emergency quintuple heart bypass operation. Letterman brought all but one of the doctors and nurses on stage who had participated in his surgery and recovery to tearfully thank them.

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On this Day

  • Michael Jackson in Brunei

    David Loh/Reuters

    On this day: August 29

    American troops march through a liberated Paris, the King of Pop is born, The Beatles perform their last concert before paying fans, and Hurricane Katrina hits the Gulf Coast, all on this day.