Columbine Mine massacre Columbine Mine massacre The Columbine Mine massacre, sometimes called the Columbine massacre, occurred in 1927, in the town of Serene, Colorado. A fight broke out between Colorado state police and a group of striking coal miners, during which the unarmed miners were attacked with firearms. The miners testified that machine guns were fired at them, which the state police disputed. Six strikers were killed, and dozens were injured. The company town of Serene, Colorado, nestled on a rolling hillside, was the home of the Columbine mine. The strike was five weeks old and strikers had been conducting morning rallies at
Columbine High School massacre from their classmates and associating themselves with the previous perpetrators. A 2014 investigation by ABC News identified "at least 17 attacks and another 36 alleged plots or serious threats against schools since the assault on Columbine High School that can be tied to the 1999 massacre." Ties identified by ABC News included online research by the perpetrators into the Columbine shooting, clipping news coverage and images of Columbine, explicit statements of admiration of Harris and Klebold, such as writings in journals and on social media, in video posts, and in police interviews, timing planned to an anniversary of Columbine, plans