

A Tragic Coincidence of Two Massacres
Today marks the 20th anniversary of the Columbine High School Massacre of 1999. In an odd and unhappy quirk of history, this appalling event shares its name with an earlier mass killing in Colorado—the 1927 Columbine Mine Massacre, which happened only forty miles away. It is even more ironic that the school shooting occurred on the very same date as yet another mass killing in Colorado’s labor wars—one of the most important, and yet seldom-remembered, episodes in American his