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Political / Social
This timeline of Colorado history is a chronology of significant events in the history of the U.S. State of Colorado and previously the geographic area defined by the state.
Colorado, Golden, Colorado, Lakewood, Colorado, Denver, Boulder County, Colorado
Colorado, Chaffee County, Colorado, Eagle County, Colorado, Summit County, Colorado, Park County, Colorado
Arapahoe County, Colorado, Colorado, Denver, %s%s, Roaring Fork Valley
Colorado, Denver, Roaring Fork Valley, Aurora, Colorado, Adams County, Colorado
Colorado, United States, Denver, Roaring Fork Valley, Aurora, Colorado
Denver, Golden, Colorado, Colorado, Colorado School of Mines, Earthquakes