Timeline of the European Union

Events

Treaty of Paris (Treaty establishing the European Coal and Steel Community).

18 April 1951 - 23 July 1952

Treaty of Rome [Treaty establishing the European Economic Community (TEEC)]

25 March 1957 - 1 January 1958

Euratom Treaty (Treaty establishing the European Atomic Energy Community)

25 March 1957 - 1 January 1958

Charles de Gaulle vetoes Britain's entry into the EEC.

1963

Famously uttering the single word 'non' into the television cameras at the critical moment, a statement used to sum up French opposition and belligerence towards Britain for many years afterwards.

Merger Treaty (Treaty establishing a Single Council and a Single Commission of the European Communities)

8 April 1965 - 1 July 1967

Empty Chair Crisis

30 June 1965 - January 1966

Paris recalled its representative in Brussels stating it would not take its seat in the Council until it had its way. This "empty chair crisis" was the first time that the operation of the EEC had failed because of a member state and it exposed failures in the Council's workings.

Luxembourg Compromise

Feb 1, 1966

An agreement reached in January 1966 which resolved the "empty chair crisis" within the European Economic Community.

Charles de Gaulle vetoes Britain's entry into the EEC for the second time.

June 1967

First Budgetary Treaty (Budgetary Treaty of 1970)

22 April 1970 - 1 January 1971

Treaty of Accession 1972

22 January 1972 - 1 January 1973

Denmark, Ireland and the United Kingdom.

Second Budgetary Treaty (Budgetary Treaty of 1975)

22 July 1975 - 1 June 1977

European Monetary System (EMS) established.

1979

Treaty of Accession 1979

28 May 1979 - 1 January 1981

Greece.

Treaty of Accession 1985

12 June 1985 - 1 January 1986

Spain and Portugal.

Schengen Agreement

14 June 1985 - 26 March 1995

Single European Act (SEA)

17 February 1986 - 1 July 1987

Introduced the Single Market and European Political Cooperation.

Treaty of Maastricht [Treaty on European Union (TEU)]

7 February 1992 - 1 November 1993

EEC became European Community pillar of EU. Intergovernmental pillars of CFSP and JHA established.

Treaty of Accession 1994

24 June 1994 - 1 January 1995

Austria, Finland and Sweden.

Treaty of Amsterdam

2 October 1997 - 1 May 1999

Introduced the High Representative, transferred powers from JHA pillar to EC and integrated the Schengen Agreement.

Treaty of Nice

26 February 2001 - 1 February 2003

Prepared the EU to cope with enlargement.

Treaty of Accession 2003

16 April 2003 - 1 May 2004

Czech Republic, Estonia, Cyprus, Latvia, Lithuania, Hungary, Malta, Poland, Slovenia and Slovakia.

Treaty establishing a Constitution for Europe (TCE)

29 October 2004

Following a period of reflection, the Treaty of Lisbon (2007 - 2009) was created to replace the Constitutional Treaty.

Treaty of Accession 2005

25 April 2005 - 1 January 2007

Bulgaria and Romania.

Treaty of Lisbon

13 December 2007 - 1 December 2009

Created European Council President, enhanced foreign policy, abolished pillar system, expanded Parliament's powers and QMV, made Rights charter binding.

Treaty of Accession 2011

9 December 2011 - 1 July 2013

Croatia.