Zoroaster Thus they accorded the same treatment to the Zoroastrian people which they did to other "People of the Book". Though the name of Zoroaster is not mentioned in the Qur'an, still he was regarded as one of those prophets whose names have not been mentioned in the Qur'an, for there is a verse in the Qur'an: "And We did send apostles before thee: there are some of them that We have mentioned to thee and there are others whom We have not mentioned to Thee." (40 : 78). Accordingly, the Muslims treated the founder of Zoroastrianism as a true prophet
Zoroaster and Darius I. Zoroastrianism eventually became the official religion of Ancient Persia and its distant subdivisions from the 6th century BCE to the 7th century CE. Zoroaster is credited with authorship of the Gathas as well as the Yasna Haptanghaiti, hymns composed in his native dialect, Old Avestan, and which comprise the core of Zoroastrian thinking. Most of his life is known from these texts. By any modern standard of historiography, no evidence can place him into a fixed period, and the historicization surrounding him may be a part of a trend from before the 10th century that historicizes legends