LONDON, UNITED KINGDOM - DECEMBER 02: The Queen, Prince Philip And The Queen Mother At A State Banquet At Buckingham Palace ,london, For The President Of The Federative Republic Of Brazil And Senhora Cardoso. (Photo by Tim Graham Picture Library/Getty Images)
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Tim Graham Photo Library Pool/Tim Graham Picture Library

LONDON - MARCH 7: (NO PUBLICATION IN UK MEDIA FOR 28 DAYS) The President of the Federal Republic of Brazil, His Excellency Mr Luiz Inacio da Silva, (R) his wife Senhora Marisa Leticia Lula da Silva, accompanied by Queen Elizabeth ll and Prince Philip, Duke of Edinburgh, arrive for the State banquet at Buckingham Palace on March 7, 2006 in London, England. The couple are staying at the Brazilian Residence and Buckingham Palace during their stay as guests of The Queen. (Photo by Pool/Anwar Hussein Collection/Getty Images)
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Getty Images Entertainment Anwar Hussein Collection

4th May 1976: Queen Elizabeth II and Prince Philip, the Duke of Edinburgh are giving a State Banquet in honour of President Geisel of Brazil and his wife. (Photo by David Ashdown/Keystone/Getty Images)
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Hulton Royals Collection David Ashdown