History of the European Union Europe Declaration (1951). This principle was at the heart of the European Coal and Steel Community (ECSC) (1951), the Treaty of Paris (1951), and later the Treaty of Rome (1958) which established the European Economic Community (EEC) and the European Atomic Energy Community (EAEC). Both the ECSC and EEC were later incorporated into the European Union while the EAEC maintains a distinct legal identity despite sharing members and institutions. The Maastricht Treaty (1992) created the European Union with its pillars system, including foreign and home affairs alongside the European Community. This in turn led to the creation of the single
Convention on the association of the Netherlands Antilles with the European Economic Community that it was "entitled" to do so. Applying the treaty to the Netherlands Antilles by Supplementary Act to the instrument of ratification turned out to be an impossibility, as the other five Member States of the Community wanted some safeguards with regard to the import of petroleum products refined in the islands, and thus a full treaty revision according to Article 236 of the EEC Treaty had to be negotiated. The Kingdom of the Netherlands proposed a treaty revision on 4 June 1962. This proposal was met with favourable responses from the Commission, the Assembly, and the Council on 10