Get ready to celebrate: It’s the Queen’s birthday! Queen Elizabeth II will turn 92 years old on Saturday, her 66th birthday since she ascended the throne in 1952. However, that won’t be the only birthday she celebrates this year. As always, Her Royal Majesty will not only observe her actual birth date, but also her official birthday as monarch. Here’s why the Queen has two birthdays. Why does the Queen have two birthdays? Princess Elizabeth Alexandra Mary was born to the Duke and Duchess of York—later King George VI and Queen Elizabeth the Queen Mother—on April 21, 1926, making April 21 her real birthday.