Claartje Rasterhoff will present the Amsterdam Time Machine at the symposium ‘Ja ik wil‘ (Yes, I do). At this symposium René van Weeren and Tine de Moor (Utrecht University) will launch their new book Ja ik wil, verliefd, verloofd, getrouwd in Amsterdam, 1580-1810. There is a morning program on the topic of citizen science and an afternoon program with research on historical marriage patterns and other relevant projects ( in Dutch).