when did columbine shooting happen
Columbine Shootings: April 20, 1999. At approximately 11:19 a.m., Eric Harris and Dylan Klebold, dressed in trench coats, began shooting fellow students outside Columbine High School, located in a suburb south of Denver.
For the 1927 labor violence, see Columbine Mine massacre. The Columbine High School massacre was a school shooting that occurred on April 20, 1999, at Columbine High School in Columbine, an unincorporated area of Jefferson County in the American state of Colorado.