Treaty of Rome in 2009, the Treaty of Lisbon renamed it the "Treaty on the Functioning of the European Union". The TFEU originated as the treaty establishing the European Economic Community (the EEC treaty), signed in Rome on 25 March 1957. On 7 February 1992, the Maastricht treaty, which led to the formation of the European Union, saw the EEC Treaty renamed as the Treaty establishing the European Community (TEC) and renumbered. The Maastricht reforms also saw the creation of the European Union's three pillar structure, of which the European Community was the major constituent part. Following the 2005 referenda, which saw the
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