The Constitutional Convention (also known as the Philadelphia Convention, the Federal Convention, or the Grand Convention at Philadelphia) took place from May 25 to September 17, 1787, in Philadelphia, Pennsylvania, to address problems in governing the United States of America, which had been operating under the Articles of Confederation following independence from Great Britain. ###>La Convention de Philadelphie ( en anglais) a eu lieu du 25 mai au à Philadelphie (Pennsylvanie).