Treaties of the European Union the Functioning of the European Union (originally signed in Rome in 1957 as the Treaty establishing the European Economic Community, aka The Treaty of Rome), lay out how the EU operates, and there are a number of satellite treaties which are interconnected with them. The treaties have been repeatedly amended by other treaties over the 65 years since they were first signed. The consolidated version of the two core treaties is regularly published by the European Commission. The two principal treaties on which the EU is based are the Treaty on European Union (TEU; Maastricht Treaty, effective since 1993) and
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