US Capitol

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. Like the principal buildings of the executive and judicial branches, the Capitol is built in a neoclassical style and has a white exterior.

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. The east front portico was extended in 1958. The building's Visitors Center was opened in the early 21st century.

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, while the west front is now used for presidential inauguration ceremonies. The building and grounds are overseen by the architect of the Capitol, who also oversees the surrounding Capitol Complex.

History

18th century

Prior to establishing the nation's capital in Washington, D.C., the United States Congress and its predecessors met at Independence Hall and Congress Hall in Philadelphia, Federal Hall in New York City, and five additional locations: York, Pennsylvania, Lancaster, Pennsylvania, the Maryland State House in Annapolis, Maryland, and Nassau Hall in Princeton, New Jersey, and Trenton, New Jersey. In September 1774, the First Continental Congress brought together delegates from the colonies in Philadelphia, followed by the Second Continental Congress, which met from May 1775 to March 1781.

After adopting the Articles of Confederation in York, Pennsylvania, the Congress of the Confederation was formed and convened in Philadelphia from March 1781 until June 1783, when a mob of angry soldiers converged upon Independence Hall, demanding payment for their service during the American Revolutionary War. Congress requested that John Dickinson, the Governor of Pennsylvania, call up the militia to defend Congress from attacks by the protesters. In what became known as the Pennsylvania Mutiny of 1783, Dickinson sympathized with the protesters and refused to remove them from Philadelphia. As a result, Congress was forced to flee to Princeton, New Jersey, on June 21, 1783, and met in Annapolis, Maryland, and Trenton, New Jersey, before ending up in New York City.

The U.S. Congress was established upon ratification of the U.S. Constitution and formally began on March 4, 1789. New York City remained home to Congress until July 1790, when the Residence Act was passed to pave the way for a permanent capital. The decision of where to locate the capital was contentious, but Alexander Hamilton helped broker a compromise in which the federal government would take on war debt incurred during the American Revolutionary War, in exchange for support from northern states for locating the capital along the Potomac River. As part of the legislation, Philadelphia was chosen as a temporary capital for ten years (until December 1800), until the nation's capital in Washington, D.C., would be ready.

Pierre L'Enfant was charged with creating the city plan for the new capital city and the major public buildings. The Congress House would be built on Jenkins Hill, now known as Capitol Hill, which L'Enfant described as a "pedestal awaiting a monument." L'Enfant connected Congress House with the President's House via Pennsylvania Avenue with a width set at 160 feet, identical to the narrowest points of the Champs-Élysées in Paris. Westwards was a 400-foot-wide (122 m) garden-lined "grand avenue" containing a public walk (later known as the National Mall) that would travel for about 1 mile (1.6 km) along the east–west line.

The term "Capitol" (from Latin ''Capitolium'') originally denoted the Capitoline Hill in Rome and the Temple of Jupiter that stood on its summit. The Roman Capitol was sometimes misconceived of as a meeting place for senators, and this led the term to be applied to legislative buildings; the first such building was the Williamsburg Capitol in Virginia. Thomas Jefferson had sat here as a member of the House of Burgesses, and it was he who applied the name "Capitol" to what on L'Enfant's plan had been called the "Congress House". ''At'' Google Books. "Capitol" has since become a general term for government buildings, especially in the United States. It is often confused with "capital"; one, however, denotes a building or complex of buildings, while the other denotes a city.

L'Enfant secured the lease of quarries at Wigginton Island and along Aquia Creek in Virginia for use in the foundations and outer walls of the Capitol in November 1791. Surveying was under way soon after the Jefferson conference plan for the Capitol was accepted. On September 18, 1793, President Washington, along with eight other Freemasons dressed in masonic regalia, laid the cornerstone, which was made by silversmith Caleb Bentley.

In early 1792, after Pierre L'Enfant was dismissed from the federal city project, Jefferson proposed a design competition to solicit designs for the Capitol and the "President's House", and set a four-month deadline. The prize for the competition was $500 and a lot in the Federal City. At least ten individuals submitted designs for the Capitol; however the drawings were regarded as crude and amateurish, reflecting the level of architectural skill present in the United States at the time.

The most promising of the submissions was by Stephen Hallet, a trained French architect who was a draftsman to Pierre L'Enfant on the city plan. However, Hallet's designs were overly fancy, with too much French influence, and were deemed too costly.
However, the design did incorporate the concept for a "great circular room and dome" which had originated with L'Enfant. John Trumbull was given a tour of "Jenkins Hill" by L'Enfant himself and confirmed this in his autobiography years later.

On January 31, 1793, a late entry by amateur architect William Thornton was submitted, and was met with praise for its "Grandeur, Simplicity, and Beauty" by Washington, along with praise from Jefferson. Thornton was inspired by the east front of the Louvre, as well as the Paris Pantheon for the center portion of the design. Thornton's design was officially approved in a letter dated April 5, 1793, from Washington, and Thornton served as the first architect of the Capitol (and later first superintendent of the U.S. Patent and Trademark Office). In an effort to console Hallet, the commissioners appointed him to review Thornton's plans, develop cost estimates, and serve as superintendent of construction. Hallet proceeded to pick apart and make drastic changes to Thornton's design, which he saw as costly to build and problematic.

In July 1793, Jefferson convened a five-member commission, bringing Hallet and Thornton together, along with James Hoban (winning architect of the "President's Palace") to address problems with and revise Thornton's plan. Hallet suggested changes to the floor plan, which could be fitted within the exterior design by Thornton.Allen (2001), p. 23 The revised plan was accepted, except that Secretary Jefferson and President Washington insisted on an open recess in the center of the East front, which was part of Thornton's original plan.

The original design by Thornton was later significantly altered by Benjamin Henry Latrobe, and later Charles Bulfinch. The current cast-iron dome and the House's new southern extension and Senate new northern wing were designed by Thomas Ustick Walter and August Schoenborn, a German immigrant, in the 1850s, and were completed under the supervision of Edward Clark.

Construction proceeded with Hallet working under supervision of James Hoban, who was also busy working on construction of the "President's House" (also later known as the "Executive Mansion"). Despite the wishes of Jefferson and the President, Hallet went ahead anyway and modified Thornton's design for the East Front and created a square central court that projected from the center, with flanking wings which would house the legislative bodies. Hallet was dismissed by Secretary Jefferson on November 15, 1794. George Hadfield was hired on October 15, 1795, as Superintendent of Construction, but resigned three years later in May 1798, because of his dissatisfaction with Thornton's plan and quality of work done thus far.

19th century

The Senate (north) wing was completed in 1800. The Senate and House shared quarters in the north wing until a temporary wooden pavilion was erected on the future site of the House wing which served for a few years for the Representatives to meet in, until the House of Representatives (south) wing was finally completed in 1811, with a covered wooden temporary walkway connecting the two wings with the Congressional chambers where the future center section with rotunda and dome would eventually be. However, the House of Representatives moved early into their House wing in 1807. Though the Senate wing building was incomplete, the Capitol held its first session of the U.S. Congress with both chambers in session on November 17, 1800. The National Legislature was moved to Washington prematurely, at the urging of President John Adams, in hopes of securing enough Southern votes in the Electoral College to be re-elected for a second term as president.

In March 1803, James Madison appointed Benjamin Henry Latrobe to the position of "Surveyor of Public Buildings", with the principal responsibility of completing construction of the Capitol's south and north wings. Work on the north wing began in November 1806. Although occupied for only six years, it had suffered from falling plaster, rotting floors and a leaking roof. Instead of repairing it, Latrobe demolished, redesigned and rebuilt the interiors within the existing brick and sandstone walls. Notably, Latrobe designed the Supreme Court and Senate chambers. The former was a particular architectural achievement; the size and structure of its vaulted, semi-circular ceiling was then unprecedented in the United States.

For several decades, beginning when the federal government moved to Washington in the fall of 1800, the Capitol building was used for Sunday religious services as well as for governmental functions. The first services were conducted in the "hall" of the House in the north wing of the building. In 1801 the House moved to temporary quarters in the south wing, called the "Oven", which it vacated in 1804, returning to the north wing for three years. Then, from 1807 to 1857, they were held in the then-House Chamber (now called Statuary Hall). When held in the House chamber, the Speaker's podium was used as the preacher's pulpit. According to the U.S. Library of Congress exhibit ''Religion and the Founding of the American Republic'':

Not long after the completion of both wings, the Capitol was partially burned by the British on August 24, 1814, during the War of 1812. After the fires, Latrobe was rehired as Architect of the Capitol to oversee restoration works.

George Bomford and Joseph Gardner Swift, both military engineers, were called upon to help rebuild the Capitol. Reconstruction began in 1815 and included redesigned chambers for both Senate and House wings (now sides), which were completed by 1819. During the reconstruction, Congress met in the Old Brick Capitol, a temporary structure financed by local investors. Construction continued through to 1826, with the addition of the center section with front steps and columned portico and an interior Rotunda rising above the first low dome of the Capitol. Latrobe is principally connected with the original construction and many innovative interior features; his successor Bulfinch also played a major role, such as design of the first low dome covered in copper.

By 1850, it became clear that the Capitol could not accommodate the growing number of legislators arriving from newly admitted states. A new design competition was held, and President Millard Fillmore appointed Philadelphia architect Thomas U. Walter to carry out the expansion. Two new wings were added: a new chamber for the House of Representatives on the south side, and a new chamber for the Senate on the north.

When the Capitol was expanded in the 1850s, some of the construction labor was carried out by slaves "who cut the logs, laid the stones and baked the bricks". The original plan was to use workers brought in from Europe. However, there was a poor response to recruitment efforts; African Americans, some free and some enslaved, along with Scottish stonemasons, comprised most of the workforce.

Capitol dome

The 1850 expansion more than doubled the length of the United States Capitol; it dwarfed the original, timber-framed, copper-sheeted, low dome of 1818, designed by Charles Bulfinch which was no longer in proportion with the increased size of the building. In 1855, the decision was made to tear it down and replace it with the " wedding-cake style" cast-iron dome that stands today. Also designed by Thomas U. Walter, the new dome would stand three times the height of the original dome and in diameter, yet had to be supported on the existing masonry piers.

Like Mansart's dome at Les Invalides in Paris (which he had visited in 1838), Walter's dome is double, with a large oculus in the inner dome, through which is seen ''The Apotheosis of Washington'' painted on a shell suspended from the supporting ribs, which also support the visible exterior structure and the tholos that supports the ''Statue of Freedom'', a colossal statue that was raised to the top of the dome in 1863. The statue invokes the goddesses Minerva or Athena. The cast iron for the dome weighs . The dome's cast iron frame was supplied and constructed by the iron foundry Janes, Fowler, Kirtland & Co. The thirty-six Corinthian columns that surround the base of the dome were provided by the Baltimore ironworks of Poole & Hunt.

When the Capitol's new dome was finally completed, its massive visual weight, in turn, overpowered the proportions of the columns of the East Portico, built in 1828.

20th century

In 1904, the East Front of the Capitol building was rebuilt, following a design of the architects Carrère and Hastings, who designed the Russell Senate and Cannon House office buildings earlier that year.

In 1958, the next major expansion to the Capitol started, with a extension of the East Portico. In 1960, two years into the project, the dome underwent a restoration. A marble duplicate of the sandstone East Front was built from the old Front. In 1962, a connecting extension repurposed what had been an outside wall as an inside wall. In the process, the original sandstone Corinthian columns were removed and replaced with marble. It was not until 1984 that landscape designer Russell Page created a suitable setting for them in a large meadow at the U.S. National Arboretum in northeast Washington as the National Capitol Columns, where they were combined with a reflecting pool into an ensemble that reminds some visitors of the ruins of Persepolis, in Persia.

Besides the columns, two hundred tons of the original stone were removed in several hundred blocks, which were first stored on site at the Capitol, and then stored in an unused yard at the Capitol Power Plant until 1975. The same year, the power plant was renovated and expanded in accordance with legislation passed in 1970, and the stones fell to the Commission on the Extension of the United States Capitol. As this body was long-defunct, responsibility for the material passed to the House and Senate office building commissions. These commissions then arranged for the National Park Service to store the debris at the back of a NPS maintenance yard in Rock Creek Park.

With the permission of the speaker of the House, the United States Capitol Historical Society has periodically mined the blocks for sandstone since 1975. The stone removed is used to make commemorative bookends and paperweights, which are still sold to support the Capitol Historical Society. By 1982, more than $20,000 (nearly $60,000 adjusted) had been raised through such sales. Unpursued uses for the stones proposed by the Capitol Historical Society have included their sale as cornerstones in new housing developments.

On December 19, 1960, the Capitol was declared a National Historic Landmark by the National Park Service. The building was ranked No. 6 in a 2007 survey conducted for the American Institute of Architects' " America's Favorite Architecture" list.

The Capitol draws heavily from other notable buildings, especially churches and landmarks in Europe, including the dome of St. Peter's Basilica in the Vatican and St. Paul's Cathedral in London. On the roofs of the Senate and House Chambers are flagpoles that fly the U.S. flag when either is in session. On September 18, 1993, to commemorate the Capitol's bicentennial, the Masonic ritual cornerstone laying with George Washington was reenacted. U.S. senator Strom Thurmond was one of the Freemason politicians who took part in the ceremony.

21st century

On June 20, 2000, ground was broken for the Capitol Visitor Center

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