King Constantine II of Greece pictured together with Princess Anne-Marie of Denmark on their wedding day in Athens, Greece on 18th September 1964. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)
King Constantine II of Greece pictured together with Princess Anne-Marie of Denmark on their wedding day in Athens, Greece on 18th September 1964. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)