On 17 May 1956, Christian Calmes, Secretary-General of the Special Council of Ministers of the European Coal and Steel Community (ECSC), emphasises to Johan Willem Beyen, Netherlands Foreign Minister, the need to establish a post of Political Coordinator for the forthcoming diplomatic discussions on the Common Market and Euratom which, in his view, should constitute a single conference.

In den ersten zwei Jahren tagte der Besondere Ministerrat der EGKS im Festsaal des Luxemburger Rathauses. Die erste Sitzung fand am 8. September 1952 statt.

On 4 May 1959, at a meeting of the Special Council of Ministers of the Six and the Vice-Presidents of the High Authority of the European Coal and Steel Community (ECSC), the representative of the Federal Republic of Germany (FRG) submits to his colleagues a Community plan to resolve the coal crisis and advocates the adoption of special measures to support the Belgian coal industry.

On 10 September 1952, the Special Council of Ministers of the European Coal and Steel Community (ECSC) decides to establish an Ad Hoc Assembly responsible for the drafting of a European Political Community (EPC) Treaty within a period of six months.

On 15 September 1954, the Information and Documentation Service of the Council of the European Coal and Steel Community (ECSC) publishes a brief historical overview of the establishment of Western Union (WU).

On 4 May 1959, speaking in a personal capacity in a bid to overcome the differences existing between the Six, Jean-Marcel Jeanneney, President-in-Office of the Special Council of Ministers of the European Coal and Steel Community (ECSC), puts forward various suggestions on ways to approximate the different points of view regarding the solution to the European coal crisis.

In den ersten beiden Jahren tagte der Besondere Ministerrat der EGKS im Luxemburger Rathaus. Auch die konstituierende Sitzung am 8. September 1952 fand hier statt. Ansicht der Eingangshalle.

Zusammenfassender Bericht über die erste Sitzung des Koordinierungs-Ausschusses (Cocor) des Besonderen Ministerrates der EGKS vom 5. März 1953, der in der Sitzung vom 17. April angenommen wurde.

Photo showing the Presidents of the four institutions of the European Coal and Steel Community (ECSC), taken in Luxembourg on 8 February 1955. From left to right: Emilio Battista, President-in-Office of the Special Council of Ministers, Giuseppe Pella, President of the Common Assembly, Jean Monnet, President of the High Authority, and Massimo Pilotti, President of the Court of Justice.

In April 1987, on the occasion of the 30th anniversary of the signing of the Rome Treaties, Albert Breuer, former Luxembourg official in the Secretariat of the Special Council of Ministers of the European Coal and Steel Community (ECSC), recalls the last-minute logistical problems which arose before the signing in the Capitol of the Treaties establishing the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom).