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 Fake FEMA inspectors in Houston neighborhoods Houston reservoirs still not empty Inside the chaos: Police release Las Vegas body cam footage Shooting survivors want more than prayers for Las Vegas $600 Texas-sized homecoming mum 11 new features in IOS 11 Wednesday morning forecast HOA fight over WWII tank More join class action lawsuit against Arkema National Night Out has new meaning after Harvey More Stories Roads still icy across Houston area Jan 16, 2018, 11:37 a.m. ICY ROADS: List of impacted highways & freeways Mar. 9, 2016, 9:43 p.m. CLOSINGS: List of Wednesday closings due to winter weather Jan 16, 2018, 2:12 p.m.