History of the European Union Europe Declaration (1951). This principle was at the heart of the European Coal and Steel Community (ECSC) (1951), the Treaty of Paris (1951), and later the Treaty of Rome (1958) which established the European Economic Community (EEC) and the European Atomic Energy Community (EAEC). Both the ECSC and EEC were later incorporated into the European Union while the EAEC maintains a distinct legal identity despite sharing members and institutions. The Maastricht Treaty (1992) created the European Union with its pillars system, including foreign and home affairs alongside the European Community. This in turn led to the creation of the single
Yugoslavia and the European Economic Community Yugoslavia and the European Economic Community From the establishment of the European Economic Community (later expanded into the European Union) in 1957 until the breakup of Yugoslavia in the early 1990’s, thus during the Cold War period, the Socialist Federal Republic of Yugoslavia was the only communist country in Eastern Europe which developed close relations with the organisation. Notwithstanding the occasional and informal proposals coming from both sides, Yugoslavia has never become a full member state of the EEC. Mutual interactions between the two sides have intensified in the late 1980’s and early 1990’s but all agreements were cut off