From 30 June 1965 to 29 January 1966, in disagreement with the Commission of the European Communities on the financing of the common agricultural policy (CAP), France’s representatives refuse to attend any intergovernmental meetings of the Community bodies in Brussels.

Poster produced by the European Commission to mark Greece’s accession to the European Communities on 1 January 1981.

On 7 February 1992 in Maastricht, the Foreign and Finance Ministers of the 12 Member States of the European Communities sign the Treaty on European Union.

Photograph taken during the signing ceremony of the Treaty of Nice on 26 February 2001.

On 29 October 2004, in Rome, the Heads of State or Government of the 25 Member States sign the Treaty establishing a Constitution for Europe.