Description: The National Postal Museum was established in 1990 under an agreement between the Smithsonian and US Postal Service to preserve and display the National Philatelic Collection, formerly part of the National Museum of American History. The Postal Museum moved to the Washington City Post Office Building on Capitol Hill in 1993. History of the National Postal MuseumAdditional
Description: Everyone loves a parade – especially one followed by a banquet. When scientists and politicians met in Washington, D.C., on November 23, 1936, to celebrate the centennial of the U.S. patent system, they listened first to a conventional program of speeches. Then, in the afternoon, Science Service director Watson Davis arranged something different: a “Research Parade” featuring