On this day: January 15
POSTED: 03:48 PM PST Jan 14, 2013
UPDATED: 11:00 PM PST Jan 14, 2013
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.
Theodor Horydczak Collection/Library of Congress
1943: The Pentagon, the world's largest office building by floor area, is dedicated in Arlington, Va. 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.
