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Queen Margrethe II of Denmark pictured with her husband Henrik, Prince Consort of Denmark as they wave to crowds from a balcony at Christiansborg Palace in Copenhagen, Denmark on 15th January 1972, after the proclamation of her succession to the Danish throne upon the death of her father King Frederick IX. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)

Queen Margrethe II of Denmark pictured with her husband Henrik, Prince Consort of Denmark as they wave to crowds from a balcony at Christiansborg Palace in Copenhagen, Denmark on 15th January 1972, after the proclamation of her succession to the Danish throne upon the death of her father King Frederick IX. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)