Zoroastrianism

Zoroastrianism is one of the world's oldest religions, though it is not among the best understood. Originating with Iranian tribes living in Central Asia in the second millennium BCE, Zoroastrianism was the official religion of the Iranian empires until Islam superseded it in the seventh century AD. Centered on the worship of Ahura Mazda, the All-knowing Ruler, Zoroastrianism follows the practices and rituals set out by the prophet Zarathustra, according to the indigenous tradition