TRONDHEIM, NORWAY - JUNE 23:  King Harald, and Queen Sonja of Norway, attend a Garden Party at the Royal Residence, Stiftsgarden,  on a visit to Trondheim, during the King and Queen of Norway's Silver Jubilee Tour, on June 23, 2016 in Trondheim, Norway.(Photo by Julian Parker/UK Press via Getty Images)
View of the wedding party of Crown Prince Harald of Norway pictured with his wife Sonja Haraldsen (later Queen Sonja of Norway), family members and guests following the wedding ceremony in Oslo, Norway on 29th August 1968. Prince Harald would later become Harald V of Norway. King Olav V of Norway can be seen on right of royal couple standing next to King Gustaf VI Adolf of Sweden. (Photo by Rolls Press/Popperfoto/Getty Images)
Crown Prince Harald of Norway (later Harald V of Norway) pictured with his wife Sonja Haraldsen (later Queen Sonja of Norway) at a reception in London in March 1969. (Photo by Rolls Press/Popperfoto/Getty Images)
Crown Prince Haakon & Princess Martha Louise Attend King Harald & Queen Sonja'S 60Th Birthday Celebrations In Norway.Gala Dinner At The Royal Residence Stiftgarden In Trondheim. (Photo by Antony Jones/UK Press via Getty Images)
King Harald & Queen Sonja Of Norway'S State Visit To China.Walk In The Forbidden City, Beijing. (Photo by Julian Parker/UK Press via Getty Images)