Princess Juliana of the Netherlands was born on April 30, 1909, and became the queen of the Netherlands in 1948. She was the daughter of Queen Wilhelmina and played a significant role in Dutch history, especially during and after World War II. Juliana was known for her dedication to social issues and her efforts to modernize the monarchy. Throughout her reign, which lasted until her abdication in 1980, she focused on promoting peace and welfare in the Netherlands and its territories. Juliana was married to Prince Bernhard and had four daughters, including Queen Beatrix, who succeeded her as queen.