After the Capitol was destroyed during the War of 1812, Congress was forced to reconvene in the U.S. Patent Office—the only government building not burned by the British in 1814. On September 23, the House of Representatives passed this resolution to appoint a committee to report on the causes and results of Britain’s successful attack on the capital.
Resolution that a Committee be Appointed to inquire into the causes of the success of the enemy, 9/23/1814, HR 13A-D15.3, Records of the U.S. House of Representatives




