She Was 10 When She Became Heir Presumptive
"Does that mean you will have to be the next queen?," Princess Margaret asked her older sister Elizabeth after their father unexpectedly became King in 1936. "Yes, someday," replied Princess Elizabeth. "Poor you," declared Margaret.
For the first 10 years of her life, Queen Elizabeth would have been just like today's Princess Beatrice, a distant heir to the throne. But when her Uncle, King Edward VII abdicated, she had the weight of duty placed on her little shoulders.