Jul 21, 1927 - London, England, UK - The elder daughter of King George VI and Queen Elizabeth, ELIZABETH WINDSOR (named Elizabeth II) became Queen at the age of 25, and has reigned through more than five decades of enormous social change and development. For more than 50 years, during a period of great social change, The Queen has carried out her political duties as Head of State, the ceremonial responsibilities of the Sovereign and an unprecedented programme of visits in the United Kingdom, Commonwealth and overseas. PICTURED: QUEEN ELIZABETH II as a baby. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine