History of European Union–United Kingdom relations History of European Union–United Kingdom relations Since the foundation of the European Communities, the United Kingdom has been an important neighbour and is currently a major member, until its withdrawal. The UK was not a signatory of the three original treaties that were incorporated into what was then the European Communities, including the most well known of these, the 1957 Treaty of Rome, establishing the European Economic Community (EEC). The UK's applications to join in 1963 and 1967 were vetoed by the President of France, Charles de Gaulle, who said that "a number of aspects of Britain's economy, from working
European Economic Community and West Germany. It gained a common set of institutions along with the European Coal and Steel Community (ECSC) and the European Atomic Energy Community (EURATOM) as one of the European Communities under the 1965 Merger Treaty (Treaty of Brussels). In 1993, a complete single market was achieved, known as the internal market, which allowed for the free movement of goods, capital, services, and people within the EEC. In 1994, the internal market was formalised by the EEA agreement. This agreement also extended the internal market to include most of the member states of the European Free Trade Association, forming