This article is about the building. For the group of buildings, see United States Capitol Complex. For the capital city, see Washington, D.C.
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William Thornton, designer (see Architect of the Capitol)
Website
www.aoc.gov/us-capitol-building
United States Capitol
U.S. National Historic Landmark
Added to NRHP
December 19, 1960[2]
The United States Capitol, often called the Capitol or the Capitol Building, is the seat of the United States Congress, the legislative branch of the federal government. It is located on Capitol Hill at the eastern end of the National Mall in Washington, D.C. Although no longer at the geographic center of the national capital, the U.S. Capitol forms the origin point for the street-numbering system of the district as well as its four quadrants.
Central sections of the present building were completed in 1800. These were partly destroyed in the 1814 Burning of Washington, then were fully restored within five years. The building was enlarged in the 1850s by extending the wings for the chambers for the bicameral legislature, the House of Representatives in the south wing and the Senate in the north wing. The massive dome was completed around 1866 just after the American Civil War. Like the principal buildings of the executive and judicial branches, the Capitol is built in a neoclassical style and has a white exterior. Both its east and west elevations are formally referred to as fronts, although only the east front was intended for the reception of visitors and dignitaries.
^"The United States Capitol: An Overview of the Building and Its Function". Architect of the Capitol. Retrieved November 5, 2010.
^"List of NHLs by State". National Park Service. Archived from the original on January 31, 2024. Retrieved January 31, 2024.
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