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Coal Mining in Colorado

In the late nineteenth and early twentieth centuries, coal mining was the most important industry in Colorado. Coal mines served as the crucibles of empire, churning out the fuel needed to power the railroads, precious-metal mines, and smelters that…

Columbine Mine Massacre

On November 21, 1927, members of a Colorado militia fired into a crowd of hundreds of striking miners in the Weld County town of Serene, killing six and wounding twenty. The Columbine Massacre showed that little had changed in Colorado in terms of…

The Civil War in Colorado

Colorado’s role in the American Civil War (1861–65) was part of a broader geopolitical contest: control of the American Southwest. The war began in 1861, just two years after the Colorado Gold Rush and mere months after Congress established the Colorado…