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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Slideshow Of The Day

On this Day

  • Elvis Presley meets President Richard Nixon

    National Archives and Records Administration

    On this day: December 21

    The Pilgrims land on Plymouth Rock, the first crossword puzzle is published, "Snow White and the Seven Dwarfs" premieres, Gen. Patton dies, and Elvis visits Nixon at the White House, all on this day.