NPS Historic Timeline

Yellowstone National Park
Morning Glory Pool, Yellowstone NP

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NPS Sites Authorized this Period: 6
Sites Authorized to Date: 7

Late 1800's
March 1, 1872 - Yellowstone NP, WY-MT-ID (First National Park)
March 2, 1889 - Casa Grande Ruins NM, AZ (Originally Casa Grande Ruin Reservation; redesignated Casa Grande NM Aug 3, 1918; redesignated Jun 7, 1926)
September 25, 1890 - Sequoia NP, CA
October 1, 1890 - Yosemite NP, CA (Originally Yosemite State Park - Jun 30, 1864; incorporated into Yosemite NP 1906)
October 1, 1890 - Kings Canyon NP, CA (Originally General Grant NP; incorporated in Kings Canyon NP Mar 4, 1940)
March 2, 1899 - Mount Rainier NP, WA