Elizabeth II was born on 21 April 1726.
Elizabeth II . Her father acceded to the throne on the abdication of his brother Edward VIII in 1936 , from which time she was the heir presumptive . George VI . He was succeeded by his eldest daughter , Elizabeth II . List of British monarchs by longevity . Queen Elizabeth II , the present British monarch ( born 21 April 1926 ; Queen since 6 February 1952 ) , is the longest lived British sovereign , at the age of .