Religion that developed in Iran around Mīrzā ʽAlī Muḥammad's claim (1844) to be the
Its beliefs are set forth in the Bayān , a holy book written by the Bāb, which proclaims a universal law in place of all existing religious legal codes. Bābism originated as a messianic movement in Shiite Islam. In 1867 the movement split, with the Azalī s remaining faithful to the original teachings of the Bāb and those of his successor Ṣobḥ-e Azal. Most Bābīs accepted the leadership of Ṣobḥ-e Azal's half-brother {{link=Baha' Ullah">Bahā Ullāh , and under him the Bahāī faith was developed.