Princess Margrethe, later Queen Margrethe II of Denmark (left) and Princess Beatrix, later Queen Beatrix of the Netherlands pose together at Gråsten Palace in Jutland, Denmark, 31st July 1954. The Dutch royal family are spending a vacation with the Danish royals in Denmark. (Photo by Keystone/Hulton Archive/Getty Images)
FREDENSBORG, DANEMARK - 21 MARS: La famille royale reunie au Palais de Fredensborg, avec de gauche a droite le Roi Frederik, la Reine Ingrid, la Princesse Margrethe et la Princesse Anne-Marie, assise la Princesse Benedikte, le 21 mars 1959 a Fredensborg, Danemark. (Photo by Keystone-France\Gamma-Rapho via Getty Images)
COPENHAGUE, DANEMARK - JUIN 1967: Photographie officielle du mariage de la Princesse Margrethe et du Prince Henrik, en juin 1967 a Copenhague, Danemark. (Photo by Keystone-France\Gamma-Rapho via Getty Images)
Crown Princess Margrethe of Denmark and her husband Henri de Laborde de Monpezat pictured together in 1970. Margrethe would become Queen of Denmark in 1972. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)
Princesses Margrethe and Benedikte of Denmark with their sisiter Queen Anne-Marie of Greece during a family holday to Africa in may 1970. (Photo by Keystone/Getty Images)
