Close Never forgotten: Columbine High School tragedy it was 18 years ago today, April 20 Please pause and remember the 13 lives taken in the Columbine High School tragedy on April 20 in 1999. KUSA 9:48 PM. CDT April 20, 2017 CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST JEFFERSON COUNTY - As a community, we promised 18 years ago that we would never forget.We haven't.Please pause and remember the 13 lives taken in the Columbine High School tragedy on April 20 in 1999. Copyright 2016 KUSA CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST JOIN THE CONVERSATION To find out more about Facebook commenting please read the Conversation Guidelines and FAQs Leave a Comment TRENDING VIDEOS Student named 'most likely to be a terrorist' Backlash against Channelview teacher heats up Two children die in hot car tragedy in Parker County VERIFY: Is this massive bullfrog real? Trooper recovers after drunk driver crash Health Department tracking fecal bacteria on some Galveston beaches Man shot and killed in apartment parking lot in NE Houston Governor Abbott's gun range joke has people talking Teen cries for mom after getting caught vandalizing businesses Teen's touchdown touches hearts More Stories Man fatally shot in apartment parking lot in NE Houston May 27, 2017, 6:54 a.m. 'Most likely to become a terrorist' story causes outrage May 26, 2017, 4:38 p.m. HCSO: Teen shot in the leg at a house party in Crosby May 27, 2017, 7:12 a.m.