A National Historic Landmark (NHL) is a building, site, structure, object, or district, that is officially recognized by the United States government for its historical significance. All NHLs are listed in the National Register of Historic Places. Out of more than 80,000 places on the National Register, however, only about 2,430 are NHLs.
A National Historic Landmark District (NHLD) is a historic district that is recognized as a NHL. It may inclu...
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A National Historic Landmark (NHL) is a building, site, structure, object, or district, that is officially recognized by the United States government for its historical significance. All NHLs are listed in the National Register of Historic Places. Out of more than 80,000 places on the National Register, however, only about 2,430 are NHLs.
A National Historic Landmark District (NHLD) is a historic district that is recognized as a NHL. It may include contributing properties that have buildings, structures, sites or objects, and it may include non-contributing properties.
On October 9, 1960, 92 properties were announced as designated NHLs by Secretary Fred Andrew Seaton. The first of these was a political nomination, Sergeant Floyd Grave and Monument in Sioux City, Iowa. It was officially designated on June 30 of that year, but for various reasons the public announcement of the first several NHLs was delayed.
NHLs are designated by the United States Secretary of the Interior because they...
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