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
Special member state territories and the European Union lodged by the United Kingdom with the EEC in 1982, Gibraltarians were to be counted as British nationals for the purposes of Community law. This was notwithstanding that they were not, at the time, British citizens, but were British Overseas Territories citizens with the right to be registered as British citizens. As such, Gibraltarians have enjoyed European Community treaty rights since UK's accession to the European Community, and subsequently European Union citizenship since the Maastricht Treaty. It was not until 21 May 2002 when Gibraltarians who did not apply for British citizenship were automatically granted British citizenship while still retaining