Last Updated on 22 September 2023

SeptemberEvents
11965 – Delaware Water Gap National Recreation Area, PA created
21958 – Grand Portage National Monument, MN created
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51959 – Franklin Delano Roosevelt Memorial, DC created
1962 – Frederick Douglass National Historic Site, DC created
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81961 – Fort Davis National Historic Site, TX created
1988 – Charles Pinckney National Historic Site, SC created
91966 – San Juan Island National Historical Park, WA created
1980 – World War II Valor in the Pacific National Monument, HI created
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111964 – Fire Island National Seashore, NY created
121964 – Canyonlands National Park, UT created
131961 – Fort Smith National Historic Site, AR created
1962 – Point Reyes National Seashore, CA created
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151908 – Tumacacori National Historical Park, AZ created
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182020 – Dwight D. Eisenhower Memorial, DC created
192001 – Minidoka National Historic Site, ID created
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211950 – Fort Caroline National Memorial, FL created
1965 – Assateague Island National Seashore, MD created
222020 – Mill Springs Battlefield National Monument, KY created
231938 – Chesapeake and Ohio Canal, DC, MD, & WV created
241906 – Devils Tower National Monument, WY created
1918 – Katmai National Park and Preserve, AK created
2002 – Flight 93 National Memorial, PA created
251890 – Sequoia National Park, CA created
261970 – Apostle Islands National Lakeshore, WI created
271890 – Rock Creek Park, DC created
281962 – Padre Island National Seashore, TX created
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301987 – Pennsylvania Avenue National Historic Site, DC created

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