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
Euratom Treaty treaties of the European Union. Euratom Treaty The Euratom Treaty, officially the Treaty establishing the European Atomic Energy Community, established the European Atomic Energy Community. It was signed on 25 March 1957, at the same time as the Treaty establishing the European Economic Community (EEC Treaty). The Euratom treaty is less well-known due to the lower profile of the organisation it founded. While the EEC has evolved into what is now the European Union, Euratom has remained much the same as it was in 1957, albeit governed by the institutions of the European Union. It was established with its own