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On This Day, April 20: Columbine High School shooting leaves 13 victims dead
United Press International via Yahoo News· 6 days agoOn April 20, 1999, two teenage boys killed 12 students and a teacher at Columbine High School in...
Today in History: April 20, 2 students kill 12 at Columbine High School
WFLA via Yahoo News· 6 days agoIn 2008, Pope Benedict XVI celebrated his final Mass in the United ..., Florida gated community....
On This Day in History - April 20th - Almanac - UPI.com
UPI· 6 days agoOn April 20, 1999, two teenage boys killed 12 students and a teacher at Columbine High School in...
Today in history
Arizona Daily Sun· 7 days agoToday's notable event: