On 25 March 1957, in Rome, representatives of Belgium, France, the Federal Republic of Germany, Italy, Luxembourg and the Netherlands sign the Treaties establishing the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom). From left to right, Paul-Henri Spaak (Belgium), Maurice Faure (France), Walter Hallstein (Germany) and Joseph Bech (Luxembourg).
On 19 April 1955, Johan Willem Beyen, Netherlands Foreign Minister, outlines to the Committee on Foreign Affairs of the Netherlands Second Chamber the nature of his proposal for the revival of European integration which is supported by Paul-Henri Spaak, Belgian Foreign Minister.
On 1, 2 and 3 June 1955, the Foreign Ministers of the six Member States of the European Coal and Steel Community (ECSC) meet in Messina to discuss the conditions for a revival of the European integration process. From left to right: Paul-Henri Spaak (Belgium), Walter Hallstein (FRG), Antoine Pinay (France), Joseph Bech (Luxembourg), Gaetano Martino (Italy) and Johan Willem Beyen (Netherlands).
In April 1957, reporting on the signing, on 25 March in Rome, of the Treaties establishing the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom), Maurice Lambilliotte, former Economic Adviser to the Belgian Prime Minister, Paul-Henri Spaak, emphasises the continental and African role of a united Europe.
On 9 September 1955, the Antwerp daily newspaper La Métropole reviews the stance taken by Paul-Henri Spaak, Belgian Foreign Minister, with regard to the outcome of the Noordwijk Conference on European revival.
On 21 April 1956, the Secretariat of the Intergovernmental Committee established by the Messina Conference and chaired by Paul-Henri Spaak, Belgian Foreign Minister, publishes the Report of the Heads of Delegation on the Common Market and Euratom, known as the Spaak Report.
In 2003, Jean Poorterman, former Deputy Head of Paul-Henri Spaak’s Private Office, describes the prevailing atmosphere in Val Duchesse and in the Belgian Foreign Ministry between 1955 and 1956 when the Spaak Committee and the Intergovernmental Conference were working on the Common Market and Euratom.
Am 13. Mai 1950 fällt der ehemalige belgische Premierminister Paul Henri Spaak - unter dem Gesichtspunkt der europäischen Integration - ein eher negatives Urteil über die bestehenden internationalen Organisationen, wie die Organisation des Nordatlantikvertrags (NATO), die Organisation für Europäische Wirtschaftliche Zusammenarbeit (OEEC) und der Europarat.
Winston Churchill and Paul-Henri Spaak participate in the first congress organised by the International Council of the European Movement, held in Brussels from 25 to 28 February 1949.
Am 10. August 1949 tritt die Beratende Versammlung des Europarates zum ersten Mal in Straßburg zusammen. Am nächsten Tag wird der sozialistische Delegierte Paul-Henri Spaak, ehemaliger belgischer Außenminister, zum Präsidenten der Versammlung gewählt.