Description: From the founding of the Smithsonian in 1846, African Americans have made substantive, but often unacknowledged, contributions to the Smithsonian. Explore the contributions African American employees at the Smithsonian have made to the Institution and the challenges they have faced. [edan-image:id=siris_sic_8309,size=300,left]The City of Washington ended the slave trade in
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