(1809-1813) and (1813-1817) The War of 1812, the US declares war on Great Britain. In 1814, the British (technically the Canadians) set fire to the Capitol. The Treaty of Ghent ends the war in 1814., The fourth President of the United States (1809-1817). A member of the Continental Congress (1780-1783) and the Constitutional Convention (1787), he strongly supported ratification of the Constitution and was a contributor to The Federalist Papers (1787-1788), which argued the effectiveness of the proposed constitution. Favored strict interpretation of the Constitution.