On 1 June 1955, the first day of the Messina Conference, the representatives of the six Member States of the European Coal and Steel Community (ECSC) analyse the joint memorandum, officially forwarded to them on 20 May 1955 by the Belgian, Luxembourg and Netherlands Governments, in which the three Benelux countries call for greater economic integration in Europe, particularly in the areas of transport, energy and the peaceful use of nuclear power.