Rubuta ci gaba don wannan sakin layi - An dawo da yawancin mutanen Poland zuwa cikin Katolika a farkon rabin karni na 17, amma hare-haren anti-Protestant ya ci gaba. Sau da yawa suna yin hakan ne ta wajen yin amfani da takardun yaɗa koyarwar Katolika da kuma tsauraran matakai na Cocin da ke hana ra'ayoyi dabam-dabam. Wani misali na tsanantawa da aka yi wa 'yan addini kaɗan shi ne fitar da 'yan'uwa 'yan Poland, waɗanda a lokacin Rigyawa na Sweden
ya goyi bayan Sarki Charles Gustav. A shekara ta 1658 majalisa ta yanke wa waɗanda ake kira Arians hukuncin fitarwa, sai dai idan sun tuba zuwa Katolika. A sakamakon haka, iyalai ɗari da yawa (kimanin mutane dubu biyar) sun bar Commonwealth a 1660, yayin da wasu, da aka yi musu barazanar hukuncin kisa da kuma kwace, suka yi ikirarin tuba, kawai don su ci gaba da tsananta wa doka. 'Yan'uwan Poland suna cikin ɓangarorin da suka fi wayewa a cikin jama'a kuma korarsu tana da mummunar tasiri a kan ci gaban ilimi na ƙasar. Sauran addinan Furotesta sun kasance, aƙalla a hukumance, an kiyaye su ta ƙa'idodin Tarayyar Warsaw ta 1573. Yawancin Furotesta na Silesian sun shiga cikin Commonwealth don kauce wa recatholization a cikin Roman Empire mai tsarki bayan Zaman Lafiya na Westphalia na 1648. Sauran ƙuntatawa duk da haka ba da daɗewa ba.