The Maastricht Treaty, officially known as the Treaty on European Union, was signed on 7 February 1992, in Maastricht, in the Netherlands, by the then-twelve Members of the European Communities. It entered into force on 1 November 1993, after being ratified by all Members.
The Maastricht Treaty formally established the European Union, transforming the European Economic Community into a more cohesive and comprehensive union. It also introduced EU citizenship.

The Maastricht Treaty and how it has evolved

60th Anniversary of the Treaty of Rome - Solemn Event : Citizen's Parliament

60 years Treaty of Rome - Solemn Event : Citizen's Parliament

AFCO Workshop on the Implementation of the Treaty provisions concerning national Parliaments

Francesca RATTI, Giorgio NAPOLITANO - President of the Republic of Italy

Conference The Spinelli Draft Treaty today 30 years after the adoption of the draft Treaty on the European Union

Ceremony of the signature of the Treaty on the European Union in Maastricht on February 7, 1992.

Treaties of the European Communities - 'Traités instituant les Communautés Européennes' in 1973 - Revision of the treaties and acts relating to accession.

Treaties of the European Communities

Signature of the Treaty merging the executive bodies of the three European Communities..On 8 April 1965, in Brussels, the Foreign Ministers of the Six sign the Treaty which provides for the merging of the executive bodies of the European Coal and Steel Community (ECSC), the European Economic Community (EEC) and the European Atomic Energy Community (EAEC). After ratification by the national parliaments of the Six, the Merger Treaty —establishing a Single Council and a Single Commission in Brussels for the three Communities— will enter into force on 1 July 1967

On 8 April 1965, in Brussels, the Foreign Ministers of the Six sign the Treaty which provides for the merging of the executive bodies of the European Coal and Steel Community (ECSC), the European Economic Community (EEC) and the European Atomic Energy Community (EAEC). After ratification by the national parliaments of the Six, the Merger Treaty —establishing a Single Council and a Single Commission in Brussels for the three Communities— will enter into force on 1 July 1967

Signature of the Treaty merging the executive bodies of the three European Communities

This memoclip illustrates the main treaties (from Paris to Lisbon) and their consequences on the European Parliament

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