Queen Elizabeth II was born on April 21, 1926, in London, England. She became queen at the age of 25, following the death of her father, King George VI, in 1952. Queen Elizabeth has reigned for over 69 years, making her the longest-reigning monarch in British history. During her reign, she has witnessed significant changes in the world, including the end of the British Empire and the rise of the Commonwealth of Nations. Queen Elizabeth has been a symbol of continuity and stability throughout her reign, and she has been deeply committed to her role as a constitutional monarch. She has undertaken numerous engagements and state visits, promoting British interests and strengthening diplomatic ties with other nations. Queen Elizabeth has also been a patron of many charities and organizations, and she has been actively involved in supporting various causes, including the arts, education, and the environment.