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
Maastricht Treaty of the obligations of the treaty for the members was to keep "sound fiscal policies, with debt limited to 60% of GDP and annual deficits no greater than 3% of GDP". The treaty also created what was commonly referred to as the pillar structure of the European Union. The treaty established the three pillars of the European Union—one supranational pillar created from three European Communities (which included the European Economic Community (EEC), the European Coal and Steel Community and the European Atomic Energy Community), the Common Foreign and Security Policy (CFSP) pillar, and the Justice and Home Affairs (JHA) pillar.