Jean Monnet in order to revive European construction following the failure of the European Defence Community (EDC). It brought political parties and European trade unions together to become a driving force behind the initiatives which laid the foundation for the European Union as it eventually emerged: first the European Economic Community (EEC) (1958) (known commonly as the "Common Market"), which was established by the Treaty of Rome of 1957; later the European Community (1967) with its corresponding bodies, the European Commission and the European Council of Ministers, British membership in the Community (1973), the European Council (1974), the European Monetary System (1979),
Accession of the United Kingdom to the European Communities Accession of the United Kingdom to the European Communities The Accession of the United Kingdom to the European Communities (EC) – the collective term for the European Coal and Steel Community (ECSC), the European Economic Community (EEC) and the European Atomic Energy Community (EAEC) – took effect on 1 January 1973. This followed ratification of the Accession treaty which was signed in Brussels on 22 January 1972 by the Conservative prime minister Edward Heath, who had pursued the UK's application to the EEC since the late 1950s. Denmark and Ireland also joined as part of the same expansion but Norway,