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 23 October 1952, the six Foreign Ministers of the Member States of the European Coal and Steel Community submit a series of questions to the ad hoc Assembly concerning the establishment of a European Political Community.

On 10 September 1952, the Council of Ministers of the European Coal and Steel Community approves the establishment of an Ad Hoc Assembly, whose mission is to draw up a draft Treaty for a European Political Community.

Im September 1952 übernimmt der Deutsche Heinrich von Brentano den Vorsitz im Verfassungsausschuss der ad hoc-Versammlung in der Beratenden Versammlung der Europäischen Gemeinschaft für Kohle und Stahl (EGKS).

Maurice Lemaire (on the left) and Guy Mollet (on the right) speaking outside the meeting-room of the Ad Hoc Assembly on 7 January 1953.

On 10 January 1953, Jean Monnet (left), President of the ECSC High Authority, and Lord Layton (right), British observer, hold talks on the margins of a meeting of the ad hoc Assembly for a European Political Community (EPC).