European Economic Community Duchesse conference centre in 1956. Together with the Ohlin Report the Spaak Report would provide the basis for the Treaty of Rome. In 1956, Paul Henri Spaak led the Intergovernmental Conference on the Common Market and Euratom at the Val Duchesse conference centre, which prepared for the Treaty of Rome in 1957. The conference led to the signature, on 25 March 1957, of the Treaty of Rome establishing a European Economic Community. The resulting communities were the European Economic Community (EEC) and the European Atomic Energy Community (EURATOM or sometimes EAEC). These were markedly less supranational than the previous communities,
Convention on the association of the Netherlands Antilles with the European Economic Community September, 19 October, and 22 October, respectively. An Intergovernmental Conference was convened on 13 November, which signed the Convention. The actual Convention consists of four articles, the first of which establishes that the Netherlands Antilles shall be added to the (now ). Article 2 adds another protocol to the EEC Treaty, named . Article 3 concerns the ratification and article 4 the authentic versions of the text. The treaty entered into force on 1 October 1964, the first day of the month following the date of deposit of the last instrument of ratification by a signatory state, in this case