In november 2019 Dutch radio exists 100 years. In this pioneering book a reconstruction is made of this specific part of Dutch media history in international perspective. What was the position of radio pioneer Hanso Idzerda when he broadcasted his first program on 6 November 1919 from The Hague? And what were the societal, political and cultural consequences in the century that followed? In 8 chapters leading Dutch media history scholars answer these questions, looking at the societal and political interference with radio, the development of listeners practices, the music industry, the news and sport environment and the Dutch world services.