S: 8 April 1965 F: 1 July 1967 T: 1 May 1999Treaty establishing a Single Council and a Single Commission of the European Communities ("Merger Treaty")
S: 17 February 1986 F: 1 July 1987Single European Act
S: 2 October 1997 F: 1 May 1999Treaty of Amsterdam amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts
S: 26 February 2001 F: 1 February 2003Treaty of Nice amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts
S: 13 December 2007 F: 1 December 2009Treaty of Lisbon amending the Treaty on European Union and the Treaty establishing the European Community
S: 7 February 1992 F: 1 November 1993 Treaty on European Union (TEU)
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S: 25 March 1957 F: 1 January 1958 Treaty establishing the European Economic Community (TEEC)
Treaty establishing the European Community (TEC)
Treaty on the Functioning of the European Union (TFEU)
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S: 25 March 1957 F: 1 January 1958 Treaty establishing the European Atomic Energy Community (TEAEC)
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S: 18 April 1951 F: 23 July 1952 Treaty establishing the European Coal and Steel Community (TECSC) T: 23 July 2002
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Three pillars of the European Union:
European Communities:
European Atomic Energy Community (EURATOM)
European Coal and Steel Community (ECSC)
European Union (EU)
European Economic Community (EEC)
European Community (EC)
Justice and Home Affairs (JHA)
Police and Judicial Co-operation in Criminal Matters (PJCC)
Common Foreign and Security Policy (CFSP)