On 9 July 1952, responding positively to an invitation from the Consultative Assembly of the Council of Europe to the Six, the French Government proposes to its fellow Member States of the European Coal and Steel Community (ECSC) that a European Political Community (EPC) be established.

In November 1952, the Study Committee for the European Constitution, set up by the European movement and chaired by Paul-Henri Spaak, draws up an institutional proposal consisting of nine resolutions.

On 11 December 1952, the Netherlands Government publishes a memorandum on the issues surrounding the political integration of Europe.

On 14 February 1953, Jan Willem Beyen, Netherlands Foreign Minister, outlines to his counterparts from the Member States of the European Coal and Steel Community (ECSC) the proposals of the Netherlands Government regarding economic and political cooperation among the Six which are to form the basis of the May 1955 Benelux memorandum on the revival of European integration.