Description: The National Museum of American History, known as the National Museum of History and Technology until 1980, was established in 1957 to house the growing US National Museum’s collections on the social, cultural, scientific, and technological history of the United States. The new museum opened in January of 1964.History of the National Museum of American HistoryAdditional
Description: The National Air and Space Museum was established in 1946 to care for the Smithsonian’s growing aeronautical collections. On July 1, 1976, a new building opened on the National Mall to showcase the collection. In December of 2003, the Udvar-Hazy Center opened near Dulles Airport in Virginia to display additional collections. History of the National Air and Space