Treaty establishing the European Coal and Steel Community, Paris, 18 April 1951.
Treaty instituting the European Defence Community, Paris, 27 May 1952.
Treaty establishing the European Atomic Energy Community, Rome, 25 March 1957.
Treaty establishing the European Economic Community (renamed as the Treaty on the Functioning of the European Union, as amended by Article 2 of the Lisbon Treaty), Rome, 25 March 1957, United Nations, Treaty Series, vol. 298, p. 11.
Treaty establishing a Single Council and a Single Commission of the European Communities (Merger Treaty), Brussels, 8 April 1965.
Single European Act, Luxembourg, 17 February 1986 and The Hague, 28 February 1986, United Nations, Treaty Series, vol. 1754, p. 3.
Treaty on European Union (with protocols and final act), Maastricht, 7 February 1992, United Nations, Treaty Series, vol. 1759, p. 3.
Treaty of Amsterdam amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts (with annex and protocols and declarations and final act), Amsterdam, 2 October 1997, United Nations, Treaty Series, vol. 2700, p. 161.
Treaty of Nice amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts (with protocols, final act and declarations), Nice, 26 February 2001, United Nations, Treaty Series, vol. 2701, p. 3.
Treaty establishing a Constitution for Europe, Rome, 29 October 2004.
Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community (with protocols, annexes and final act), Lisbon, 13 December 2007, United Nations, Treaty Series, vol. 2702, p. 3.
