The Devotio Moderna, or Modern Devout, puzzled their contemporaries. Beginning in the 1380s in market towns along the Ijssel River of the east-central Netherlands and in the county of Holland, they formed households organized as communes and forged lives centered on private devotion. They lived on city streets alongside their neighbors, managed properties and rents in common, and worked in the textile and book trades, all the while refusing to profess vows as members of any religious order or to...
