National Park Timeline
The history of our National Park system and other federal lands began in 1790 when the District of Columbia was formed. This included what now is part of our park system; the White House, the National Mall, and the National Capital Parks. But it was not until Yellowstone was installed as a National Park on March 1, 1872 that you could truly say that the National Park System was founded. And it was a great founding. The National Park Timeline here will be organized by current park unit, in alphabetical order, and include the dates of formation, and any other changes that may have occurred.
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Hagerman Fossil Beds National Monument - Idaho, November 18, 1988
Haleakala National Park - Hawaii, September 13, 1960. Detached from Hawaii NP, 1960.
Hamilton Grange National Memorial - New York, April 27, 1962
Hampton National Historic Site - Maryland, June 22, 1948
Harper's Ferry National Historic Park - West Virginia and Maryland, June 30, 1944. Authorized as Harpers Ferry National Monument, 1944. Redesignated Harper's Ferry NHP, 1963.
Harriet Tubman National Historical Park - New York, January 10, 2017.
Harriet Tubman Underground Railroad National Historical Park - Maryland, December 19, 2014. First established as a National Monument on March 25, 2013.
Harry S. Truman National Historic Site - Missouri, May 23, 1983. Designated in 1982
Hawaii Volcanoes National Park - Hawaii, August 1, 1916. Authorized as Hawaii National Park, 1916. Split into Haleakala NP and Hawaii NP in 1960. Redesignated Hawaii Volcanoes NP, 1961.
Herbert Hoover National Historic Site - Iowa, August 12, 1965
Home of Franklin D. Roosevelt National Historic Site - New York, January 15, 1944.
Hohokam Pima National Monument - Arizona, October 21, 1972
Homestead National Monument of America - Nebraska, March 19, 1936
Honouliuli National Monument - Hawaii, February 24, 2015.
Hopewell Culture National Historic Park - Ohio, March 2, 1923. Authorized as Mound City Group National Monument, 1923. Incorporated in Hopewell Culture NHP, May 27, 1992.
Hopewell Furnace National Historic Site - Pennsylvania, August 3, 1938. Authorized as Hopewell Village National Historic Site, 1938. Redesignated Hopewell Furnace NHS, 1985.
Horseshoe Bend National Military Park - Alabama, July 25, 1956
Hot Springs National Park - Arkansas, April 20, 1832. Originally founded as Hot Springs Reservations April 20, 1832. Redesignated Hote Springs National Park, March 4, 1921.
Hovenweep National Monument - Colorado and Utah, March 2, 1923
Hubbell Trading Post National Historic Site - Arizona, Augsut 28, 1965
IIndependence National Historic Park - Pennsylvania, June 28, 1948. Incorporated Independence Hall NHS, designated 1943. Philadelphia Custom House National Historic Site authorized May 26, 1939, and incorporated in Independence NHP, 1959.
Indiana Dunes National Lake - Indiana, November 5, 1966
Isle Royale National Park - Michigan, March 3, 1931
JJames A. Garfield National Historic Site - Ohio, December 28, 1980
Jean Lafitte National Historic Park and Preserve - Louisiana March 4, 1907. Chalmette Monument and Grounds authorized 1907. Redesignated as Chalmette National Historic Park 1939. Incorporated in Jean Lafitee NHP and Preserve, November 10, 1978.
Jefferson National Expansion Memorial - Missouri, December 20, 1935. Gateway Arch authorized in 1954 and dedicated, 1968.
Jewel Cave National Monument - South Dakota, February 7, 1908
Jimmy Carter National Historic Site - Georgia, December 23, 1987
John D. Rockefeller, Jr. Memorial Parkway - Wyoming, August 25, 1972
John Day Fossil Beds National Monument - Oregon, October 26, 1974
John F. Kennedy National Historic Site - Massachusetts, May 26, 1967
John Muir National Historic Site - California, August 31, 1964
Johnstown Flood National Memorial - Pennsylvania, August 31, 1964
Joshua Tree National Park - California, August 16, 1936. Authorized as Joshua Tree National Monument, 1936. Incorporated in Joshua Tree National Park, October 31, 1994.
KKalaupapa National Historic Park - Hawaii, December 22, 1980
Kaloko Honokohau National Historic Park - Hawaii, November 10, 1978
Katahdin Woods and Waters National Monument - Maine, August 24, 2016.
Katmai National Park and Preserve - Alaska, September 24, 1918. Authorized as Katmai National Monument, 1918. Additional lands added December 1, 1978. Incorporated in Katmai NP and Preserve, 1980.
Kenai Fjords National Park - Alaska, December 1, 1978. Authorized as Kenai Fjords National Monument, 1978. Redesignated Kenai Fjords National Park, 1980.
Kennesaw Mountain National Battlefield Park - Georgia, February 18, 1917. Authorized as Kennesaw Mountain National Battlefield Site, 1917. Redesignated Kennesaw Mountain NBP, 1935.
Keweenaw National Historic Park - Michigan, October 27, 1992
Kings Canyon National Park - California, October 1, 1890. Authorized as General Grant National Park, 1890. Named changed to Kings Canyon National Park, March 4, 1940.
Kings Mountain National Military Park - South Carolina, March 4, 1931
Klondike Gold Rush National Historic Park - Alaska, Alaska June 30, 1976
Klondike Gold Rush National Historic Park - Seattle Washington June 30, 1976
Knife River Indian Villages National Historic Site - North Dakota, October 26, 1974
Kobuk Valley National Park - Alaska, December 1, 1978. Authorized as Kobuk Valley National Monument, 1978. Redesignated Kobuk Valley NP, 1980.
Korean War Veterans Memorial - District of Columbia, October 28, 1986. Dedicated in 1995
LLake Chelan National Recreation Area - Washington, October 2, 1968
Lake Clark National Park and Preserve - Alaska, December 1, 1978. Authorized as Lake Clark National Monument, 1978. Redesignated Lake Clark NP and Preserve, 1980.
Lake Mead National Recreation Area - Nevada and Arizona, November 14, 1936. Authorized as Boulder Dam Recreation Area, 1936. Redesignated Lake Mead NRA, 1947.
Lake Meredith National Recreation Area - Texas, March 15, 1965. Authorized as Sanford National Recreation Area, 1965. Redesignated Lake Meredith Recreation Area, 1972; Lake Meredith NRFA, 1990.
Lake Roosevelt National Recreation Area - Washington, December 18, 1946. Authorized as Coulee Dam National Recreation Area, 1946. Redesignated Lake Roosevelt NRA, 1997.
Lassen Volcanic National Park - California, May 6, 1907. Authorized as Cinder Cone National Monument and Lassen Peak National Monument, 1907. Incorporated in Lassen Vocanic NP, August 9, 1916.
Lava Beds National Monument - California, November 21, 1925
Lewis and Clark National Historical Park - Oregon, May 29, 1958. Authorized Fort Clatsop National Memorial, 1958. Incorporated Fort Clatsop National Monument, as well as eleven other historic sites, into Lewis and Clark NHP, October 30, 2004.
Lincoln Boyhood National Memorial - Indiana, February 19, 1962
Lincoln Home National Historic Site - Illinois, August 18, 1971
Lincoln Memorial - District of Columbia, February 9, 1909. Dedicated 1922
Little Bighorn Battlefield National Monument - Montana, December 7, 1886. Created as National Cemetery of Custer's Battlefield Reservation in 1886. Redesignated Custer Battlefield National Monument in 1846. Name changed to current in 1991.
Little River Canyon National Preserve - Alabama, October 21, 1992
Little Rock Central High School National Historic Site - Arkansas, November 6, 1998
Longfellow National Historic Site - Masssachusetts, October 9, 1972
Lowell National Historic Park - Massachusetts, June 5, 1978
Lyndon B. Johnson Memorial Grove on the Potomac - District of Columbia, December 28, 1973
Lyndon B. Johnson National Historic Park - Texas, December 2, 1969. Authorized Lyndon B. Johnson NHS, 1969. Redesignated NHP, 1980.
MMaggie L. Walker National Historic Site - Virginia, November 10, 1978
Mammoth Cave National Park Kentucky, May 25, 1926
Manassas National Battlefield Park - Virginia, November 14, 1936. Authorized as Bull Run Recreational Demonstration Area, 1936. Redesignated Manassas National Battlefield Park, 1940.
Manhattan Project National Historical Park - New Mexico, Tennessee, Washington, November 10, 2015. Originally signed by legislation of Congress in December 2014.
Manzanar National Historic Site - California, March 3, 1992
Marsh-Billings-Rockefeller National Historic Park - Vermont, August 26, 1992. Name changed from Marsh-Billings NHP in 1998
Martin Luther King, Jr. Memorial - Washington, D.C., August 22, 2011.
Martin Luther King, Jr. National Historic Site - Georgia, October 10, 1980
Martin Van Buren National Historic Site - New York, October 26, 1974
Mary McLeod Bethune Council House NHS - District of Columbia, December 11, 1991 - Designated 1982
Mesa Verde National Park - Colorado, June 29, 1906
Middle Delaware National Scenic River - Pennsylvania and New Jersey, November 10, 1978
Minidoka Internment National Monument - January 17, 2001
Minute Man National Historic Park - Massachusetts, April 14, 1959. Authorized as Minute Man National Historic Site. Redesignated Minute Man NHP, Setpember 21, 1959.
Minuteman Missile National Historic Site - South Dakota, November 29, 1999
Mississippi National River and National Recreation Area - Minnesota, November 18, 1988
Missouri National Recreation River - Nebraska and South Dakota, November 10, 1978
Mojave National Preserve - California, October 31, 1994
Monocacy National Battlefield - Maryland, June 21, 1934. Authorized as Monocacy National Military Park, 1934. Redesignated National Battlefield, October 21, 1976.
Montezuma Castle National Monument - Arizona, December 8, 1906
Moores Creek National Battlefield - North Carolina, June 2, 1926. Authorized Moores Creek National Military Park, 1926. Redesignated National Battlefield, 1980.
Morristown National Historic Park - New Jersey, March 2, 1933
Mount Rainier National Park - Washington, March 2, 1899
Mount Rushmore National Memorial - South Dakota, March 23, 1925. Acquired July 1, 1939.
Muir Woods National Monument - California, Juanuary 9, 1908
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Mackinac National Park, Michigan, was established on March 3, 1875 and abolished in 1895. Lewis and Clark Cavern National Monument, Montana, established May 11, 1908 and abolished in 1937. Holy Cross National Monument, Colorado, established May 11, 1929, and abolished 1950. Millerton Lake Recreation Area, California, established May 22, 1945, and abolished 1957. Lake Texoma Recreation Area, Oklahoma and Texas, established April 18, 1946, and transferred to Corps of Engineers, 1949. John F. Kennedy Center for the Performing Arts, District of Columbia acquired June 16, 1972. Transferred to the Kennedy Center Trustees, 1994. Mar-A-Lago National Historic Site, Florida, designated 1969, established October 21, 1972, and abolished in 1980. Some additional changes post 2003 have not yet been added to the list.