Records (1969-1977) of the Montana Bicentennial Administration consist of correspondence, financial records, legal documents, news releases, reports, subject files, and material concerning local and statewide U.S. bicentennial projects and celebrations.

The Montana Chamber of Commerce was founded as Montanans, Inc. in 1931 to promote business and professional interests and industrial development. The name was changed in 1946. Records (1931-1967) include general correspondence, financial records, legal documents, minutes, news releases, organizational records, printed materials, reports, speeches, subject files, and miscellany.

This collection (1985-1991) consists of materials produced by the Montana Statehood Centennial Commission and Office during its preparations for centennial celebrations. Records include correspondence, license files, grant applications and agreements, financial records, minutes, subject files, newsletters, video and audio cassettes, clippings, and miscellany. [Video cassette tapes transferred to Photograph Archives.]

These Montana Territorial Centennial Commission records (1960-1968) include interoffice correspondence, general correspondence, financial records, legal documents, minutes, news releases, organizational materials, printed materials, reports, subject files, and miscellany.