On this day: January 15

Published On: Jan 14 2013 05:48:11 PM CST   Updated On: Jan 15 2016 01:00:00 AM CST

Columbus heads home from the New World, Martin Luther King Jr. is born, the first Super Bowl is played, and Capt. Chesley B. "Sully" Sullenberger becomes a hero, all on this day.

OTD January 15 - The Pentagon
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Theodor Horydczak Collection/Library of Congress

1943: The Pentagon, the world's largest office building by floor area, is dedicated in Arlington, Virginia. Built to hold what was then called the War Department, now the U.S. Department of Defense, it features about 6.5 million square feet of space, of which 3.7 million square feet are used as offices.

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