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When was Eugene O'Neill National Historic Site created?
Eugene O'Neill National Historic Site was created in 1971.
When was Maggie L. Walker National Historic Site created?
Maggie L. Walker National Historic Site was created in 1909.
When was Vanderbilt Mansion National Historic Site created?
Vanderbilt Mansion National Historic Site was created on 1940-12-18.
When was Fort Davis National Historic Site created?
Fort Davis National Historic Site was created on 1961-09-08.
When was Charles Pinckney National Historic Site created?
Charles Pinckney National Historic Site was created on 1988-09-08.
What is the area of Christiansted National Historic Site?
The area of Christiansted National Historic Site is 109,872.15186816 square meters.
When was Steamtown National Historic Site created?
Steamtown National Historic Site was created in 1995.
When was Saint-Gaudens National Historic Site created?
Saint-Gaudens National Historic Site was created in 1977.
When was Fort Larned National Historic Site created?
Fort Larned National Historic Site was created in 1964.
When was John Muir National Historic Site created?
John Muir National Historic Site was created in 1962.
When was Hampton National Historic Site created?
Hampton National Historic Site was created on 1948-06-22.
When was Chicago Portage National Historic Site created?
Chicago Portage National Historic Site was created in 1952.
When was Grey Towers National Historic Site created?
Grey Towers National Historic Site was created in 1886.
When was Friendship Hill National Historic Site created?
Friendship Hill National Historic Site was created in 1789.
When was Eugene O'Neill National Historic Site created?
Eugene O'Neill National Historic Site was created in 1971.
When was James A. Garfield National Historic Site created?
James A. Garfield National Historic Site was created in 1980.
When was Weir Farm National Historic Site created?
Weir Farm National Historic Site was created in 1990.
