On 3 May 1945, the United States and the United Kingdom inform the Governments of Belgium, Czechoslovakia, Denmark, Greece, Luxembourg, the Netherlands, Norway, the Soviet Union, Turkey and Yugoslavia of their wish to see a European Coal Organisation established that will enable coal-exporting and coal-importing countries to meet and plan their supplies.

On 1 July 1953, in Paris, Belgium, Denmark, the Federal Republic of Germany, France, Greece, Italy, the Netherlands, Norway, Sweden, Switzerland, the United Kingdom and Yugoslavia sign the Final Act of the Conference to establish the European Organisation for Nuclear Research.

In May 1958, Alexander Hocker, Head of Department at the German Ministry of Atomic Energy, presents the results obtained by the European Organisation for Nuclear Research (CERN) as an example to be followed in terms of European cooperation.