Foreign Royalty Personalities. pic: July 1953. Crown Prince Olav (Olaf) of Norway, portrait, pictured with his wife Princess Martha at a gala dinner at Akerskos Castle to celebrate his 50th birthday. King Olav (1903-1991) succeeded his father King Haakon [Getty Images]

Foreign Royalty, Personalities, pic: July 1953, Crown Prince Olav (Olaf) of Norway, portrait, pictured with his wife Princess Martha at a gala dinner at Akerskos Castle to celebrate his 50th birthday, King Olav (1903-1991) succeeded his father King Haakon VII in 1957 (Photo by Haynes Archive/Popperfoto via Getty Images/Getty Images)