Philadelphia: U.S. Capital

From September 5, 1774 to October 26, 1774, Carpenter's Hall served as the U.S. capital under the First Continental Congress.
Carpenters' Hall has also served as the headquarters of the First Bank of the United States, the Bank of the State of Pennsylvania, United States Custom
House, Franklin Institute, Society of Friends, the United States Law Office, the Apprentice's Free Library, the Second Bank of the United States, and the Philadelphia Auction Market.

From May 10, 1775 to December 12, 1776, the Pennsylvania State House (now Independence Hall) served as the U.S. capital under the Second Continental Congress. It was during this time that the Declaration of Independence was written and signed.
From March 4, 1777 to September 18, 1777 the State House again served as the U.S. capital under the Second Continental Congress.
And, again, from July 2, 1778 to March 1, 1781, the State House served as the U.S. capital under the Second Continental Congress.
From March 1, 1781 to June 21, 1783, the State House served as the U.S. Capital under the Articles of Confederation.
Address: Independence Hall,
Independence National Historic Park, Independence Mall, Philadelphia, Pennsylvania 19106; 215-965-2305; Fax: 215-597-1548.
Web: http://www.nps.gov/inde.

From December 6, 1790 to May 14, 1800, the U.S. capital was located in Philadelphia at Congress Hall (later the Philadelphia County Building). The House
of Representatives met on the first floor of Congress Hall, while the Senate met on the second floor. Hence the term upper house for the Senate.
Address: Congress Hall, Independence National Historic Park, Independence Mall, Philadelphia, Pennsylvania 19106;
215-965-2305; Fax: 215-597-1548. Web: http://www.nps.gov/inde.