Columbine timeline The Denver Post - A timeline of events: : Seniors Eric Harris and Dylan Klebold storm Columbine High School shooting four guns and carrying dozens of pipe bombs. They kill 12 classmates, one teacher and then themselves. They also wound 23 others in the worst school shooting in U.S. history. APRIL 21: Jefferson County schools Superintendent Jane Hammond closes ...

On , high school senior students Eric Harris and Dylan Klebold murdered 13 students [c] and 1 teacher in a school shooting and attempted bombing at Columbine High School in Columbine, Colorado, United States.

On , Eric Harris and Dylan Klebold killed 12 fellow students and one teacher at Columbine High School in Littleton, Colorado before shooting themselves.

The facts about the Columbine High School shooting of April 20,1999 from the oldest Columbine archive. Information and photos of shooters Eric Harris and Dylan Klebold, the victims and survivors, the library, aftermath, news, basement tapes videos, and more.

On , Eric Davis Harris (1981-1999) and Dylan Bennet Klebold (1981-1999) killed 12 students and one teacher at Columbine High School in Littleton, Colorado before committing suicide....

: Seniors Eric Harris and Dylan Klebold storm Columbine High School shooting four guns and carrying dozens of pipe bombs. They kill 12 classmates, one teacher and then themselves....