Beginning around 1184, following the crusade against Cathar heresy, various institutions, broadly referred to as the Inquisition, were established with the aim of suppressing heresy and securing religious and doctrinal unity within Christianity through conversion and prosecution.
Beginning around 1184, following the crusade against Cathar heresy, various institutions, broadly referred to as th.e Inquisition, were established with the aim of suppressing heresy and securing religious and doctrinal unity within Christianity through conversion and prosecution