Frankism is a Sabbatean religious movement of the 18th and 19th centuries,[1] created in Podolia, named after its founder, Jacob Frank. Frank completely rejected Jewish norms, preaching to his followers that they were obligated to transgress moral boundaries. At its height Frankism claimed perhaps 50,000 followers, primarily Jews living in the Polish–Lithuanian Commonwealth, as well as in Central and Eastern Europe.[1][2][3]