FILE – In this March 25, 1957 file photo, the delegates of six West European nations France, Germany, Italy, Belgium, The Netherlands and Luxembourg, gathered inside the Oriazi and Curiazi Hall of Rome’s Campidoglio Capitoline Hill to sign a treaty establishing the European Economic Community (EEC). Britain was absent at the bloc’s birth and only joined in 1973. On Jan. 31, 2020, Britain is scheduled to leave what became known as the European Union. (AP Photo, File)