On 6 February 1961, the European Movement in the Netherlands draws up a memorandum outlining the various measures required to revive the European integration process.
In 1962, in the Bulletin de la Communauté économique européenne, Jean Monnet, former President of the High Authority of the European Coal and Steel Community (ECSC), urges Member States to create a united, democratic and social Europe.
Im Jahr 1964 unterbreitet Paul Henri Spaak in der Communauté européenne mehrere Vorschläge, um die Bemühungen für ein politisches Europa wiederzubeleben.
‘A good idea, but too many plans.' In October 1964, the cartoonist Fritz Behrendt shows that the multitude of views on the future of Europe is slowing down the process of European integration.
Le 11 février 1966, le quotidien italien Corriere della Sera souhaite un renforcement de la coopération européenne et rappelle l'engagement de l'Italie dans la construction européenne.