 The period of religious wars did not end until the late 15th century, and only then did Paczków begin to flourish again.With the financial support of the dukes of Nysa, new fortifications were constructed, with a wall and towers.In 1526 Paczków, under the Germanized name "Patschkau", together with the Duchy of Nysa, passed under the suzerainty of the Austrian Habsburg dynasty.