On this day: January 21

Published On: Jan 18 2013 02:57:15 PM CST   Updated On: Jan 21 2014 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 - Concorde
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Department of Defense

1976: Commercial service of Concorde begins with the London-Bahrain and Paris-Rio routes. With engines twice as powerful as those of normal jets, the Concorde's 1,350 mph cruising speed was double the speed of sound and halved air travel time. Regular transatlantic flights from Europe began to Washington, D.C., on May 24, 1976, and to New York City on Nov. 22, 1977. The final commercial Concorde flight was on Oct. 24, 2003.

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