Description: [caption id="" align="alignleft" width="251" caption="Joseph Henry, first Secretary of the Smithsonian Institution (1846-1878), and his wife, Harriet Henry, and their daughters Caroline, Helen and Mary with croquet mallets on the grounds of the Smithsonian Institution Building, c.
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