Queen Elizabeth II is one of the longest reigning monarchs in British history and the longest-reigning queen regnant in history when surpassing the reign of her great-great-grandmother, Victoria in 2015. She has been from her accession in 1952 and become the constitutional monarch of 16 countries and the Supreme Governor of the Church of England, as Queen of the United Kingdom, Canada, Australia, and New Zealand, and Head of the Commonwealth. She is the world's oldest reigning monarch as well as Britain's longest-lived.
She was educated privately at home under the supervision of their mother and their governess, Marion Crawford. Her father acceded to the throne on the abdication of his brother Edward VIII in 1936, from which time she was the heir presumptive. She began to undertake public duties during the Second World War.
Elizabeth was the elder daughter of the Duke and Duchess of York, later King