In 1785, the assembly of the Congress of the Confederation made New York City the national capital shortly after the war. New York was the last capital of the U.S. under the Articles of Confederation and the first capital under the Constitution of the United States.
Capital: The word “capital” can refer to money, uppercase letters, the death penalty, and capital cities that house a seat of government.
Capitol: The word “capitol” always refers to a physical capitol building (such as the US Capitol building) or the area surrounding it (such as Capitol Hill).