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,
Maastricht Treaty Maastricht Treaty The Maastricht Treaty (officially the Treaty on European Union) was signed on 7 February 1992 by the members of the European Community in Maastricht, Netherlands to further European integration. On 9–10 December 1991, the same city hosted the European Council which drafted the treaty. The treaty founded the European Union and established its pillar structure which stayed in place until the Lisbon Treaty came into force in 2009. The treaty also greatly expanded the competences of the EEC/EU and led to the creation of the single European currency, the euro. The Maastricht Treaty reformed and amended the treaties