European Atomic Energy Community Euratom at Val Duchesse in 1956 drew up the essentials of the new treaties. Euratom would foster co-operation in the nuclear field, at the time a very popular area, and would, along with the EEC, share the Common Assembly and Court of Justice of the ECSC, but not its executives. Euratom would have its own Council and Commission, with fewer powers than the High Authority of the European Coal and Steel Community. On 25 March 1957, the Treaties of Rome (the Euratom Treaty and the EEC Treaty) were signed by the ECSC members and on 1 January 1958 they came
Institutional seats of the European Union the ECSC (or be generously compensated); France supported Strasbourg, and Italy continued to promote Milan. However, it was decided that the Common Assembly, which became the Parliament, should instead be based in Strasbourg—the Council of Europe (CoE) was already based there, in the House of Europe. The chamber of the CoE's Parliamentary Assembly could also serve the Common Assembly, and they did so until 1999, when a new complex of buildings was built across the river from the Palace. The creation in 1957 of the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom) created new