This Day in History: 1999-04-20

(April 20, 1999)
Two dissatisfied and highly armed students stormed Columbine High School in Littleton, Colorado, and killed 13 classmates before turning the gun on themselves.
(April 20, 1999)
Two dissatisfied and highly armed students stormed Columbine High School in Littleton, Colorado, and killed 13 classmates before turning the gun on themselves.