European integration for greater transparency and trust among themselves. This transfer of national powers to a "Community" to be exercised by its Commission was paralleled under the 1957 Treaty of Rome establishing the European Atomic Energy Community (or Euratom) and the European Economic Community (EEC) in Brussels. In 1967, the Merger Treaty (or Brussels Treaty) combine the institutions of the ECSC and Euratom into that of the EEC. They already shared a Parliamentary Assembly and Courts. Collectively they were known as the European Communities. In 1987, the Single European Act (SEA) was the first major revision of the Treaty of Rome that
History of the European Coal and Steel Community (1945–57) Community (Euratom). The latter body fostered co-operation in the nuclear field, at the time a very popular area, and the EEC was to create a full customs union between members. Louis Armand became the first President of Euratom Commission and Walter Hallstein became the first President of the EEC Commission. History of the European Coal and Steel Community (1945–57) The period saw the first moves towards European unity as the first bodies began to be established in the aftermath of the Second World War. In 1951 the first community, the European Coal and Steel Community was established and moves on