President of the European Commission three executives that were merged in 1967 following the Merger Treaty, namely the High Authority of the European Coal and Steel Community (from 1952), and the commissions of the European Atomic Energy Community and the European Economic Community (both from 1958). Secondly, a list is given over the presidents after the merger, when the single position presided over the Commission of the European Communities, until 2009 when the Treaty of Lisbon renamed of the institution, creating the President of the European Commission. The European Economic Community was established by the Treaty of Rome, presently known as the Treaty on the
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