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Queen Elizabeth II with her Maids of Honour on her Coronation Day, 2nd June 1953. (Photo by Popperfoto via Getty Images/Getty Images)

Queen Elizabeth II with her Maids of Honour on her Coronation Day, 2nd June 1953. (Photo by Popperfoto via Getty Images/Getty Images)

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Queen Elizabeth smiles at President John F. Kennedy during a state dinner at Buckingham Palace.

Queen Elizabeth smiles at President John F. Kennedy during a state dinner at Buckingham Palace.

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KUWAIT - FEBRUARY13: Queen Elizabeth ll chats with Sheikh Abdullah Jabir during a tour of the Gulf States on February 13, 1979 in Kuwait. (Photo by Anwar Hussein/Getty Images)

KUWAIT - FEBRUARY13:  Queen Elizabeth ll chats with Sheikh Abdullah Jabir during a tour  of the Gulf States on February 13, 1979 in Kuwait. (Photo by Anwar Hussein/Getty Images)

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TUVALU, PACIFIC ISLAND - OCTOBER 27: Queen Elizabeth ll and Prince Philip, Duke of Edinburgh during a tour of the South Pacific on October 27, 1982 in Tuvalu, South Pacific. (Photo by Anwar Hussein/Getty Images)

TUVALU, PACIFIC ISLAND - OCTOBER 27:  Queen Elizabeth ll and Prince Philip, Duke of Edinburgh during a tour of the South Pacific on October 27, 1982 in Tuvalu, South Pacific. (Photo by Anwar Hussein/Getty Images)

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Queen Elizabeth II with President Boris Yeltsin raising their glasses before drinking a toast to each other at the State Banquet in Granovitaya Palace. The Queen is wearing jewelry of a necklace and earrings of square-cut aquamarines which were a wedding present from the President and people of Brazil. They later gave her a matching bracelet, brooch and hair ornament. In 1971 the Queen used some of the stones to create a matching tiara. (Photo by © Pool Photograph/Corbis/Corbis via Getty Images)

Queen Elizabeth II with President Boris Yeltsin raising their glasses before drinking a toast to each other at the State Banquet in Granovitaya Palace. The Queen is wearing jewelry of a necklace and earrings of square-cut aquamarines which were a wedding present from the President and people of Brazil. They later gave her a matching bracelet, brooch and hair ornament. In 1971 the Queen used some of the stones to create a matching tiara. (Photo by © Pool Photograph/Corbis/Corbis via Getty Images)