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Science museums in Washington, D.C.

  • Smithsonian InstitutionOn the 10th of August 1846, President James K. Polk signed a piece of legislation that created the Smithsonian Institution as a trust instrumentality of the…
  • National Air and Space MuseumOn the 12th of August 1946, President Harry S. Truman signed an act of Congress establishing the National Air Museum. This new institution inherited a…