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 Political Community project entailed an unacceptable loss of national sovereignty. As a result, the European Political Community idea had to be abandoned. Following the collapse of the EPC, European leaders met in the Messina Conference in 1955 and established the Spaak Committee which would pave the way for the creation of the European Economic Community (EEC). European Political Community The European Political Community (EPC) was proposed in 1952 as a combination of the existing European Coal and Steel Community (ECSC) and the proposed European Defence Community (EDC). A draft EPC treaty, as drawn up by the ECSC assembly (now the European Parliament),