Video: 'Queen Elizabeth II - Queen | Mini Bio | BIO'

(Wednesday, April 21, 1926, 2:40 a.m. GMT) — Britain’s Queen Elizabeth II was born today in Mayfair, London, the first child of The Duke and Duchess of York, who later became King George VI and the Queen Mother.

Video: 'Queen Elizabeth II - Britain's Longest Reigning Monarch Documentary'

Christened Elizabeth Alexandra Mary, the princess became monarch upon the death of her father in 1952, beginning a 64-year-old reign surpassing that of Queen Victoria.