Founded as the Vicariate Apostolic of Colorado and Utah in 1868. The name was changed to the Vicariate Apostolic of Colorado in 1870. Elevated to a diocese on 16 August 1887 as a suffragan of Santa Fe. Elevated to an archdiocese on 15 November 1941. Suffragen dioceses include
See also
- Cheyenne, Wyoming
- Colorado Springs, Colorado
- Pueblo, Colorado
New Catholic Dictionary