EN
The Church of St. Nicholas in Grudziądz is one of the most historically and artistically precious buildings of the former Kulmerland. This article sums up the hitherto research on the building, presents its origins, the building workshop and the stages of construction. Also there are presented various opinions on the utilized architectural patterns, controversies regarding the foundation circumstances and the founder himself. In the further part, the article presents also the early modern and contemporary history of the church and the political events, such as the Deluge (Polish: Potop), which had the greatest impact on the transformation of the body and internal decorations of the building. Also the history of the church under the Prussian authorities is mentioned, as that was the time when the surrounding area underwent modifications. The author of the article also presents the church furnishing, indicating the elements that were preserved or reconstructed after the Second World War, which was the time when the church suffered the most severe losses. The detailed analysis of the church archival documents was conducted; the author published new findings concerning the dating, founder of the altars, pulpit and interior painting. Described in detail were the family chapels with their original liturgical furnishings and burial functions. There are also information on the fates of the church equipment such as vessels, vestments and bells. The attribution of the painting of Angelic Pietà, currently gone, was conducted on the basis of the preserved iconography. The article is thus the first such extensive and comprehensive presentation of the history and art of the most important, municipal, Gothic church in Grudziądz.