Around the 11th Century when everyone started converting
No, Islam began in Mecca city in current Saudi Arabia country. but later Iran absorbed Islam and highly supported and developed it. Islam is Iran is Shia Islam and in Saudi Arabia is mostly Sunni Islam.
Shia Islam.
Shia Islam. near 90% are Shia Muslim. Iran is the largest Shia Islam country in world. Iran is the center and axis of Shia Islam.
Islam
No, Islam is the major religion in Iran.
Yes, Iran is an Islamic country.
The majority religion in Iran is Shi'ite Islam.
Official religion of Iran is Shiite Islam, specifically Twelver Shiite Islam with the Jaafari School of Fiqh (jurisprudence).
Islam is mostly in iran now
In about 651
Islam
Islam