Jan Hartman buys canal house; builds Catholic church inside
1739
The priest Ludovicus Reiniers purchases the property and makes some renovations, including the addition of another stairway in the church, remodeling of the facade, and removing the stag outside. By this time the church is known as the Church of Our Lord
1887
The new St. Niklaaskerk is dedicated, replacing Our Lord in the Attic as the Catholic parish church in Amsterdam. To save the latter from demolition, a group of Catholics pool their funds to purchase and preserve it.
28 Apr 1888
The Church of Our Lord in the Attic opens to the public on weekdays, making it the second oldest museum in Amsterdam (after the Rijksmuseum).
