On this day: February 21

Published On: Feb 21 2013 12:46:53 AM EST   Updated On: Feb 21 2013 02:00:00 AM EST
Malcolm X, 1964, Library of Congress

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.