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 - Bob Dylan
10 / 36
Columbia Records

1979: Bob Dylan releases the album "Slow Train Coming," his first since becoming a born-again Christian. While the religious-themed album divided his fans, it sold sell, peaking at No. 3 on the Billboard 200 chart, and generated the Grammy-winning single "Gotta Serve Somebody," Dylan's first hit in three years.

Upload Photos / Videos