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
European Economic Community the ECSC and Euratom were merged with that of the EEC, creating a single institutional structure governing the three separate Communities. From here on, the term "European Communities" were used for the institutions (for example, from "Commission of the European Economic Community" to the "Commission of the European Communities"). The Council of the European Communities was a body holding legislative and executive powers and was thus the main decision making body of the Community. Its Presidency rotated between the member states every six months and it is related to the European Council, which was an informal gathering of national leaders