Queen Juliana of the Netherlands and her consort, Prince Bernhard, are seen in a picture taken by Max Koot in connection with the Queen's 12-year Jubilee on March 6. The reign of Queen Juliana - who will be 52 on April 30 - began on September 4, 1948, when she succeeded her mother, Queen Wilhelmina, who abdicated and reverted to the title of Princess. Queen (then Princess) Juliana was married to Prince Bernhard of Lippe-Biesterfeld on January 7, 1937 and have four daughters. (Photo by PA Images via Getty Images)