Queen Elizabeth II was the longest-reigning monarch in British history, serving from February 6, 1952, until her death on September 8, 2022. She was born on April 21, 1926, in London, England, and became queen at the age of 25 after the death of her father, King George VI. Her reign saw significant changes in the UK and the world, including the decolonization of Africa and the rise of the European Union. Throughout her life, Queen Elizabeth II was known for her dedication to public service and her role as a symbol of continuity and stability. She was married to Prince Philip, Duke of Edinburgh, with whom she had four children: Charles, Anne, Andrew, and Edward. Her legacy includes a commitment to charitable work and a deep connection to the British people and the Commonwealth.