On this day: August 20

Published On: Aug 19 2012 02:46:11 AM CDT   Updated On: Aug 20 2014 01:00:00 AM CDT

Charles Darwin publishes his theory of evolution, the NFL is founded, Lou Gehrig belts his 23rd career grand slam and NASA heads for Mars, all on this day.

OTD August 20 - Al Roker
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Staff Sgt. Jim Greenhill/U.S. Army

1954: Weatherman, actor and author Al Roker, best known for being the weather anchor on NBC's "Today" show, is born in Queens, New York.

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