On 26 September 1956, the German daily newspaper Saarbrücker Zeitung reports on the debates taking place in Luxembourg at the European conference on mining safety, organised by the ECSC High Authority in response to the Marcinelle tragedy which resulted in the deaths of 262 pit workers in Belguim on 8 August 1956.

On 9 August 1952, on the eve of the inauguration of the High Authority of the European Coal and Steel Community (ECSC) in Luxembourg, the Luxembourg daily newspaper Luxemburger Wort outlines the political, social and economic role of the ECSC.

In 1956, La Voix Fédéraliste, a magazine published by the European Movement, offers an initial assessment of the establishment of the sectoral Common Market and of the activities of the High Authority of the ECSC.

On 11 August 1952, the day after the inaugural session of the High Authority in Luxembourg, the German daily newspaper Süddeutsche Zeitung paints a sober picture of Luxembourg and describes the lack of enthusiasm for this inaugural session.

On 4 April 1955, Paul-Henri Spaak, Belgian Foreign Minister, sends a letter to the German Chancellor, Konrad Adenauer, in which he proposes a revival of the European idea by extending the responsibilities of the High Authority of the European Coal and Steel Community (ECSC) to other sources of energy and to transport.

On 9 August 1952, on the eve of the session inaugurating the High Authority of the European Coal and Steel Community (ECSC) in Luxembourg, the Luxembourg daily newspaper Luxemburger Wort notes the historic importance of this date both for Luxembourg and for European integration.

On 24 January 1951, the Belgian daily newspaper La Libre Belgique outlines the positions adopted by the governments of the Six with regard to the extent of supranationality to be granted to the High Authority referred to in the Schuman Declaration of 9 May 1950.

On 1 January 1976, in the Belgian daily newspaper La Libre Belgique, Albert Coppé, former Minister and former Belgian Member of the ECSC High Authority, analyses the main provisions of the Tindemans Report on European Union.

On 21 December 1954, in London, the British Government, represented by the Minister, Duncan Sandys, and the President of the ECSC High Authority, Jean Monnet, sign an association agreement between the ECSC and the United Kingdom.