Foreign Royalty Personalities. pic: 1929. Crown Prince Olav (Olaf) of Norway marries Princess Martha of Sweden in Oslo. Crown Prince Olav (1903-1991) succeeded his father King Haakon VII in 1957 becoming King Olav V. [Getty Images]

Oslo, 1929: Crown Prince Olav (Olaf) of Norway marries Princess Martha of Sweden in Oslo, Crown Prince Olav (1903-1991) succeeded his father King Haakon VII in 1957 becoming King Olav V (Photo by Haynes Archive/Popperfoto via Getty Images/Getty Images)