In 2004, the Bydgoszcz Fara Church was raised to the rank of Cathedral of the Diocese of Bydgoszcz by the decree of Holy Father John Paul II. However, for many centuries and for dozens of generations of Bydgoszcz residents, it had been the only and most prominent municipal church.
http://www.visitbydgoszcz.pl/en/explore/what-to-see/1393-bydgoszcz-cathedral