Saint Valentine dies a martyr, President Polk has his picture snapped, Al Capone sends his foes a violent Valentine's Day message, and Jackie Kennedy invites TV viewers inside the White House, all on this day.
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NASA
2000: The Near Earth Asteroid Rendezvous - Shoemaker spacecraft enters orbit around asteroid 433 Eros, becoming the first spacecraft to orbit an asteroid. The spacecraft would orbit the asteroid several more times before finally terminating its mission by touching down on the asteroid on Feb. 12, 2001.