Elizabeth II, in full Elizabeth Alexandra Mary, officially Elizabeth II, by the Grace of God, of the United Kingdom of Great Britain and Northern Ireland and of her other realms and territories Queen, Head of the Commonwealth, Defender of the Faith, (born April 21, 1926, London, England—died September 8, 2022, Balmoral Castle, Aberdeenshire, Scotland), queen of the United Kingdom of Great Britain and Northern Ireland from February 6, 1952, to September 8, 2022. In 2015 she surpassed Victoria to become the longest-reigning monarch in British history.