Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Inaugurations of Presidents of the United States
A list of inaugurals of Presidents of the United States. Read about key...

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Capitol Visitor Center
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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Generator Progress May 2014
Work is underway at the northwest corner of the Library of Congress John Adams...

House Office Buildings

The first congressional office buildings were constructed immediately after the turn of the century to relieve overcrowding in the Capitol. Previously, members who wanted office space had to rent quarters or borrow space in committee rooms. The Cannon House Office Building, completed in 1908, is the oldest congressional office building, with the Longworth, Rayburn and Ford House Office Buildings being added later to house the growing Congress.

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