ZoroastrianismZoroasterZoroaster, the founder of the first modern monotheistic religion, probably lived about 1400 BC in the area lying in the present north-east Iran and south Turkmenistan. According to Gathas, being a part of Avesta, the holy Zoroastrian scripture, the Zoroaster tribe was annihilated as a result of tribal wars, and he alone wandered for a dozen or so years witnessing brutal tribal fights. At the age of thirty Zoroaster had a vision of the angel. The angel told him there was only one true God, Ahura Mazda, and that he was to become his prophet. During the next ten years Zoroaster had other visions in which several archangels of Ahura Mazda appeared and revealed further truths to him.Zoroaster tried to preach his new faith to his compatriots, however they were not receptive to his teachings and persecuted him. He had to escape to the nearby kingdom of Bactria (present day Afghanistan) where he managed to convert the king Vishtaspa who introduced Zoroastrianism on his lands. Zoroaster became a chief priest and one of the most influential persons in the state