NATIONAL PARKS TIMELINE

1892
Casa Grande Ruins (prehistoric and cultural reserve)

1893
Grand Canyon (forest reserve)

1906
Montezuma Castle (national monument)

1906
Petrified Forest (national monument)

1907
Tonto (national monument)

1908
Grand Canyon (national monument)

1908
Tumacácori (national monument)

1909
Navajo (national monument)

1915
Walnut Canyon (national monument)

1918
Casa Grande Ruins (national monument)

1919
Grand Canyon (national park)

1923
Pipe Spring (national monument)

1924
Chiricahua (national monument)

1924
Wupatki (national monument)

1930
Sunset Crater (national monument)

1931
Canyon de Chelly (national monument)
 

1933
Saguaro (national monument)

1937
Organ Pipe Cactus (national monument)

1939
Tuzigoot (national monument)

1941
Coronado (international memorial)

1952
Coronado (national memorial)

1960
Fort Bowie (national historic landmark)

1961
Saguaro (western district added to national monument)

1962
Petrified Forest (national park)

1964
Lake Mead (national recreation area)

1965
Hubbell Trading Post (national historic site)

1972
Fort Bowie (national historic site)

1972
Glen Canyon (national recreation area)

1990
Sunset Crater Volcano (“Volcano” added to name of national monument)

1990
Tumacácori (national historical park)

1994
Saguaro (national park)

2000
Grand Canyon-Parashant (national monument)