Koos-jan de Jager MA is PhD-student at the Vrije Universiteit Amsterdam. His main field of research is modern religious and political history. For his PhD-project, he is working on the role of religion in the Indonesian war of independence, 1945-1950. In 2018 he graduated cum laude from the Research Master History at the Vrije Universiteit Amsterdam. For his MA-thesis, he studied the development of religious anti-communism in the Netherlands between 1917 and 1939. He is editor for the Dutch historical journal Transparant and secretary of the board of editors of the peer reviewed journal Trajecta. Religion, Culture and Society in the Low Countries.

Research interests

  • Religious history of the nineteenth and twentieth century;
  • Religion and modernity, theories of secularization and modern confessionalism;
  • History and theory of culture wars, relations between religion and politics;
  • Transnational history and religious interconnectedness ;
  • Orthodox-protestants groups in the Netherlands, Europe and the United States, strong religion in the BibleBelt(s);
  • Petitions and the development of confessional political parties.