Paul-Henri Spaak, President of the Common Assembly of the European Coal and Steel Community (ECSC) from 1952 to 1954 and President of the Intergovernmental Committee which, between July 1955 and June 1956, laid the foundations for the future European Economic Community (EEC) and European Atomic Energy Community (EAEC or Euratom).

Paul-Henri Spaak, President of the Common Assembly of the European Coal and Steel Community (ECSC) (right), and Jean Monnet, President of the High Authority of the ECSC (left), in Strasbourg in January 1953.

On 10 August 1949, after having chaired the inaugural sitting of the Consultative Assembly of the Council of Europe, Edouard Herriot, oldest member and Honorary President, hands over the chair to Paul-Henri Spaak following his election.

During the debate on the 1948 budget at the Belgian Foreign Ministry, Paul-Henri Spaak announces his support for rapid and close political and economic cooperation between Western European States.

On 10 August 1949, at the first session of the Consultative Assembly of the Council of Europe, Paul-Henri Spaak is elected as the Assembly's first President.

On 25 March 1957, Paul-Henri Spaak, Belgian Foreign Minister and President of the Intergovernmental Conference on the Common Market and Euratom, arrives at the Capitol in Rome for the official signing of the Treaties establishing the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom).

In December 1948, the Belgian monthly publication Les cahiers socialistes harshly criticises the address given by Paul-Henri Spaak, Belgian Prime Minister and Foreign Minister, on 28 September 1948 to the United Nations General Assembly.

On 28 September 1948, Paul-Henri Spaak, Belgian Prime Minister and Foreign Minister, addresses the United Nations General Assembly and denounces Soviet policy. He gives the speech of fear.

On 15 December 1955, Paul-Henri Spaak, Belgian Foreign Minister, delivers an address to the Belgian Senate in which he comments on the outcome of the Paris Agreements restoring the sovereignty of the Federal Republic of Germany (FRG) and supports the establishment of a free trade area in Europe.