Treaties of the European Union the Functioning of the European Union (originally signed in Rome in 1957 as the Treaty establishing the European Economic Community, aka The Treaty of Rome), lay out how the EU operates, and there are a number of satellite treaties which are interconnected with them. The treaties have been repeatedly amended by other treaties over the 65 years since they were first signed. The consolidated version of the two core treaties is regularly published by the European Commission. The two principal treaties on which the EU is based are the Treaty on European Union (TEU; Maastricht Treaty, effective since 1993) and
History of the European Coal and Steel Community (1945–57) Community (Euratom). The latter body fostered co-operation in the nuclear field, at the time a very popular area, and the EEC was to create a full customs union between members. Louis Armand became the first President of Euratom Commission and Walter Hallstein became the first President of the EEC Commission. History of the European Coal and Steel Community (1945–57) The period saw the first moves towards European unity as the first bodies began to be established in the aftermath of the Second World War. In 1951 the first community, the European Coal and Steel Community was established and moves on