On this day: February 21

Published On: Feb 20 2013 11:46:53 PM CST   Updated On: Feb 21 2014 01:00:00 AM CST

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 - William Petersen
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CBS TV Studios

1953: Actor William Petersen, best known for the TV show "CSI" and for his roles in movies such as "To Live and Die in L.A." and "Manhunter," is born in Evanston, Ill.

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