On this day: January 21

Published On: Jan 18 2013 02:57:15 PM CST   Updated On: Jan 21 2016 01:00:00 AM CST

Louis XVI is guillotined, the first nuclear-powered submarine launches, the nation catches "Saturday Night Fever," and President Reagan's second inauguration heads indoors, all on this day.

OTD January 21 - Saturday Night Fever
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RSO Records

1978: The Bee Gees' "Saturday Night Fever" soundtrack album begins a run of 24 straight weeks at No. 1 on the U.S. Billboard 200 album chart. The soundtrack would eventually sell more than 15 million copies to become the best-selling soundtrack album of all time (it was later surpassed by Whitney Houston's soundtrack to "The Bodyguard.")

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