High Quality Content by WIKIPEDIA articles! Throughout the history of Jehovah's Witnesses, their beliefs, doctrines and practices have engendered controversy and opposition from the local governments, communities, or religious groups. Persecution has been a recurrent experience of Jehovah's Witnesses since its foundation. Ken Jubber writes that "Viewed globally, this persecution has been so persistent and of such an intensity that it would not be inaccurate to regard Jehovah's witnesses as the most persecuted religion of the twentieth century". Many Christian denominations consider their interpretations and doctrines to be heresy. Some religious leaders have accused Jehovah's Witnesses of being a cult. According to law professor Archibald Cox, in the United States, Jehovah's Witnesses were "the principal victims of religious persecution... in the twentieth century... Although founded earlier, they began to attract attention and provoke repression in the 1930s, when their proselytizing and numbers rapidly increased."