15 Dramatic Photos Taken Before History’s Famous Tragedies

3. Columbine Shooting

On April 20, 1999, two boys started fire on the teachers and students of Columbine High School in Littleton, Colorado. 13 people killed and 20 injured by the teens, who then commited suicides with their guns. What are the reasons – cruel computer games, depressing Gothic culture or psychological traumas – nobody knows..