Juliana (Dutch pronunciation: [ˌjyliˈjaːnaː]; Juliana Louise Emma Marie Wilhelmina; 30 April 1909 – 20 March 2004) was Queen of the Netherlands from 1948 until her abdication in 1980.
Juliana was the only child of Queen Wilhelmina and Prince Henry. From birth she was heir presumptive to the Dutch throne. She was educated privately. In 1937, she married Prince Bernhard of Lippe-Biesterfeld with whom she had four children: Beatrix, Irene, Margriet, and Christina.
She reigned for nearly 32 years.
Her reign saw the decolonization of Dutch East Indies (now Indonesia) and Suriname and their independence from the Kingdom of the Netherlands. Upon her death at the age of 94, she was the longest-lived former reigning monarch in the world. Juliana of the Netherlands in Wikipedia