On this day: August 20

Published On: Aug 19 2012 02:46:11 AM CDT   Updated On: Aug 20 2013 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 - Robert Plant
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Egghead06/Wikimedia Commons

1948: Robert Plant, best known as the lead singer of Led Zeppelin, is born in West Bromwich, England.

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