On this day: February 14

Published On: Feb 13 2013 10:55:37 PM CST   Updated On: Feb 14 2016 01:00:00 AM CST

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.

OTD February 14 - Northern Illinois University shooting
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Abog/Wikimedia Commons

2008: Former Northern Illinois University student Steven Kazmierczak opens fire in a lecture hall of the DeKalb, Illinois, school, killing five people and injuring 21 more before committing suicide.

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