Columbine High School Massacre, Littleton, Colo., 1999

Columbine High School Shootings, Littleton, Colo., 1999

Wikipedia, June 26, 2007 ("Columbine High School massacre occurred on Tuesday, April 20, 1999, at Columbine High School in unincorporated Jefferson County, Colorado (the CDP of Columbine) near Denver and Littleton. Two students, Eric Harris and Dylan Klebold, carried out a shooting rampage, killing 12 students and a teacher, as well as wounding 24 others, before committing suicide. It remains one of the deadliest high school shootings in the United States, and is the third-deadliest school shooting in United States history, after the 1966 University of Texas massacre and the 2007 Virginia Tech massacre.")
Columbine High School Web site, June 26, 2007 (Address of Columbine High School: 6201 S. Pierce St. Littleton, CO 80123)
Google search, June 26, 2007 (Columbine High School massacre; Columbine High School shootings; Columbine massacre; Columbine shootings)
NY Times Web site, June 26, 2007 (Columbine High School massacre; Columbine High School shootings)