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 Communities EEC was to create a customs union and general economic co-operation. It later led to the creation of a European single market. The EEC became the European Community pillar of the EU, with the ECSC and EAEC continuing in a similar subordinate position, existing separately in a legal sense but governed by the institutions of the EU as if they were its own. The ECSC's treaty had a 50-year limit and thus expired in 2002, all its activities are now absorbed into the European Community. The EAEC had no such limit and thus continues to exist. Due to the sensitive