Paul-Henri Spaak the signature, on 25 March 1957, of the Treaties of Rome establishing a European Economic Community and the European Atomic Energy Community (Euratom). Paul-Henri Spaak signed the treaty for Belgium, together with Jean Charles Snoy et d'Oppuers. His role in the creation of the EEC earned Spaak a place among the Founding fathers of the European Union. In 1956, he was chosen by the Council of NATO to succeed Lord Ismay as Secretary General. He held this office from 1957 until 1961, when he was succeeded by Dirk Stikker. he feuded constantly with French president Charles de Gaulle. He publicly
Treaty establishing the European Defence Community 1952, with French support. The new EDC treaty was signed on 27 May 1952. Although with some doubts and hesitation, the United States and the six members of the European Community approved the Pleven Plan. This led the way to the Paris Conference, launched in February 1951, where it was negotiated the structure of the supranational army. Among compromises and differences, on 27 May 1952 the six foreign ministers signed the Treaty of Paris establishing the European Defence Community (EDC). Despite the central role for France, the EDC plan collapsed when it failed to obtain ratification in the French Parliament.