Treaty of Rome Treaty of Rome The Treaty on the Functioning of the European Union (TFEU; also referred to as the Treaty of Rome) is one of two treaties forming the constitutional basis of the European Union (EU), the other being the Treaty on European Union (TEU; also referred to as the "Treaty of Maastricht"). The Treaty of Rome brought about the creation of the European Economic Community (EEC), the best-known of the European Communities (EC). It was signed on 25 March 1957 by Belgium, France, Italy, Luxembourg, the Netherlands and West Germany and came into force on 1 January 1958. It remains
President of the European Commission Functioning of the European Union; a founding treaty of the union, which explains that the enumeration of presidents which ends with the present position starts with the first President of the Commission of the European Economic Community. The European Union is also the legal successor of the European Economic Community, or the European Community as it was named between 1993 and 2009. The establishment of the European Union in 1993 upon the entry into force of the Maastricht Treaty (formally the Treaty on European Union) did not affect the name of the position. Upon its entry into force in 2009,