On 26 March 1957, the Belgian daily newspaper Le Soir describes the proceedings at and the atmosphere of the ceremony, held in Rome the day before, to mark the signing of the Treaties establishing the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom), and emphasises, in particular, the tribute paid to the Belgian Foreign Minister, Paul-Henri Spaak.

In an article published in the Belgian communist daily newspaper Le Drapeau rouge on 27 March 1957, economist Pierre Joye criticises the European Economic Community (EEC), which he believes symbolises the alliance of big business against European workers.

On 26 November 1957, during the parliamentary debates in the Belgian Senate, Fernand Dehousse, a Socialist Senator from Liège and a fervent European federalist, sets out in detail why he is in favour of the Senate’s ratifying the Treaties establishing the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom).