European Union and West Germany signed the Treaty of Rome, which created the European Economic Community (EEC) and established a customs union. They also signed another pact creating the European Atomic Energy Community (Euratom) for co-operation in developing nuclear energy. Both treaties came into force in 1958. The EEC and Euratom were created separately from the ECSC, although they shared the same courts and the Common Assembly. The EEC was headed by Walter Hallstein (Hallstein Commission) and Euratom was headed by Louis Armand (Armand Commission) and then Étienne Hirsch. Euratom was to integrate sectors in nuclear energy while the EEC would develop
European Union and the United Nations within the UN. On 11 October 1974, the UN General Assembly granted observer status to the European Economic Community (EEC) represented by the European Commission representation in New York City. It was the first non-state entity to be granted observer status and gave it participation rights, particularly in the Economic and Social Council: the EEC operated a common commercial policy from very early on and in such matters the European Commission represented the EU, in others the Council presidency did. Despite being an observer, the EU joined several treaties and gained full participation in a number of UN bodies (see