Editing Kwidzyn (section)

===Late modern period===
In 1765 Prussia established a customs chamber for Polish products floated down the Vistula to Polish Baltic ports.<ref>{{cite book|last=Rutkowski|first=Jan|title=Zarys gospodarczych dziejów Polski w czasach przedrozbiorowych|year=1923|language=pl|location=Poznań|page=212}}</ref> The town of Marienwerder meanwhile had become the capital of the [[Marienwerder (district)|District of Marienwerder]]. In 1772, the Marienwerder district was integrated into the newly established Prussian Province of [[West Prussia]], which consisted mostly of territories annexed in the [[First Partition of Poland]]. In November 1831, several Polish cavalry units of the [[November Uprising]] stopped in the town on the way to their internment places.<ref>{{cite book|last=Kasparek|first=Norbert|editor-last=Katafiasz|editor-first=Tomasz|year=2014|title=Na tułaczym szlaku... Powstańcy Listopadowi na Pomorzu|language=pl|location=Koszalin|publisher=Muzeum w Koszalinie, Archiwum Państwowe w Koszalinie|page=140|chapter=Żołnierze polscy w Prusach po upadku powstania listopadowego. Powroty do kraju i wyjazdy na emigrację}}</ref>

By the enlargement of its administrative functions, the population of the town started to grow and in 1885, it numbered 8,079. This population was composed mostly of [[Lutheran]] inhabitants, many of whom were engaged in trades connected with the manufacturing of sugar, vinegar and brewing as well as dairy farming, fruit growing and the industrial construction of machines. In 1910, Marienwerder had a population of 12,983 of which 12,408 (95.6%) were German-speaking and 346 (2.7%) were Polish-speaking.<ref>{{Cite book|last=Landesamt|first=Prussia (Kingdom) Statistisches|url=https://books.google.com/books?id=tJdPhIkLJ7AC&pg=RA2-PA76|title=Gemeindelexikon für die regierungsbezirke Allenstein, Danzig, Marienwerder, Posen, Bromberg und Oppeln: Auf grund der ergebnisse der volkszählung vom. 1. Dezember 1910 und anderer amtlicher quellen bearbeitet vom Königlich Preussischen Statistischen Landesamte|date=1912|publisher=verlag des Königlichen Statistischen Landesamts|language=de}}</ref>