The First Continental Congress met briefly in Carpenter's Hall in Philadelphia, Pennsylvania, from September 5 to October 26, 1774. It consisted of fifty-six delegates from twelve of the thirteen colonies that were to become the United States of America.o govern during the American Revolutionary War, the Second Continental Congress continued, meeting at various locations, until it became the Congress of the Confederation when the Articles of Confederation were ratified on March 1, 1781.