On 21 October 1955, Paul-Henri Spaak, Belgian Foreign Minister, outlines to the Consultative Assembly of the Council of Europe the meaning and the political scope of his task as Chairman of the Intergovernmental Committee responsible for laying the foundations for the drafting of the EEC and Euratom Treaties.

On 29 January 1963, during the 17th ministerial meeting between the Member States of the European Economic Community (EEC) and the United Kingdom, the Belgian Foreign Minister, Paul-Henri Spaak, criticises the French veto of the United Kingdom’s application for accession to the European Communities.

On 14 January 1964, addressing the Consultative Assembly of the European Council, the Belgian Foreign Minister, Paul-Henri Spaak, challenges the idea that the Community of the Six is a failure and calls for enhanced European unity.

On 25 March 1957, at the ceremony held in Rome to mark the signing of the Treaties establishing the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom), Paul-Henri Spaak, Belgian Foreign Minister and President of the Intergovernmental Conference for the Common Market and Euratom, delivers an address in which he emphasises the historic significance of the event and pays tribute, in particular, to those who worked before him towards a united Europe. In the Belgian Delegation, the following may be seen (from right to left): Pierre Staner, Joseph Van Der Meulen, Robert Rotschild, Albert Hupperts, Roger de Staercke together with Ernst Albrecht, Pierre Uri, Michel Gaudet, Hubert Ehring, Pierre Bourguignon, André Dubois, Christian Calmes and Giulio Guazzugli.

On 9 September 1944, Paul-Henri Spaak, Belgian Foreign Minister, officially informs Belgian diplomats of the conclusion of a transitional agreement on a customs union between the Governments of Belgium, Luxembourg and the Netherlands.

On 27 September 1965, invited by the Brussels Conférence du Jeune Barreau (Young Bar Association) to talk to Maurice Schumann, President of the Foreign Affairs Committee of the French National Assembly, about the future of Europe, Belgian Foreign Minister Paul-Henri Spaak outlines arrangements which may resolve what is known as the ‘empty chair’ crisis and considers in particular the issue of the revision of the Treaty of Rome.