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
Treaty establishing the European Defence Community 1952, with French support. The new EDC treaty was signed on 27 May 1952. Although with some doubts and hesitation, the United States and the six members of the European Community approved the Pleven Plan. This led the way to the Paris Conference, launched in February 1951, where it was negotiated the structure of the supranational army. Among compromises and differences, on 27 May 1952 the six foreign ministers signed the Treaty of Paris establishing the European Defence Community (EDC). Despite the central role for France, the EDC plan collapsed when it failed to obtain ratification in the French Parliament.