when did great britain join the european union
History of European Union–United Kingdom relations The Treaty of Accession was signed in January 1972 by the then prime minister Edward Heath, leader of the Conservative Party.[7] Parliament's European Communities Act 1972 was enacted on 17 October, and the UK's instrument of ratification was deposited the next day (18 October),[8] letting the United Kingdom's membership of the EC come into effect on 1 January 1973.[9]
Great Britain in the Seven Years' War Great Britain was one of the major participants in the Seven Years' War which lasted between 1754 and 1763. Britain emerged from the war as the world's leading colonial power, having gained a number of new territories at the Treaty of Paris in 1763 and established itself as the world's pre-eminent naval power.