context: Christianity in Iran has a long history, dating back to the early years of Christian history. Despite its ancient history in the country, it was always a minority religion, as Zoroastrianism was the official religion of the state before the Islamic conquest of Persia, Sunni Islam in the Middle Ages and Shiite Islam in the modern era, although Christians had a much greater representation in the past than it is It today.
question: When did Christianity enter Iran?
answers.text: the early years of Christian history