The Zoroastrian faith is the oldest religion in Iran dating back to 1800 BCE.Zoroastrianism is an indigenous faith and one whose rituals are uniquely enmeshed in mainstream Persian culture. Many of the most widely practiced Persian holidays and customs originated as Zoroastrian traditions based on their distinctive creed – “Righteous Thoughts, Righteous Words, and Righteous Deeds.” Nowruz, widely celebrated as the Persian New Year, wasinitially a Zoroastrian holiday. Although the Iranian constitution recognizes the Zoroastrian faith as a lawful religion, it engages in discriminatory and repressive practices against them.