Prince Philip, Duke of Edinburgh,  Queen Elizabeth ll,  Queen Sonja, King Harald V of Norway, Camilla, Duchess of Cornwall and Charles, Prince of Wales pose before the banquet for the Norwegian Royal Family at Buckingham Palace on October 25, 2005 in London, England. The visit is to mark 100 years of Norway's independence from Sweden. (Photo by Anwar Hussein Collection/ROTA/WireImage)
DENMARK - APRIL 30:  Banquet At Windsor Castle For Queen Margrethe Of Denmark On April 30Th 1974  (Photo by Keystone-France/Gamma-Keystone via Getty Images)
WINDSOR, UNITED KINGDOM - APRIL 23:  Lech Walesa and his wife Danuta Walesa pose with Queen Elizabeth ll, Queen Elizabeth, the Queen Mother and Prince Philip, Duke of Edinburgh before a banquet at Windsor Castle during a State Visit on April 23 1991 in Windsor, England. (Photo by Anwar Hussein/Getty Images)
DENMARK - APRIL 30:  Banquet At Windsor Castle For Queen Margrethe Of Denmark On April 30Th 1974  (Photo by Keystone-France/Gamma-Keystone via Getty Images)