Persia used to be a country Islam is a religion.
Islam.
Today it is Islam.
Prior to the conversion to Islam, the predominant religion of Persia was Zoroastrianism.
The Sunni and the Shia Islam. Shia Islam was made Persia's state religion; Sunni clerics were either killed or exiled from Persia.
Islam Is Followed In China, Japan And Pakistan.
7th century
Ancient Persia did.
The most widely practiced religion in Ancient Persia is now known as Zoroastrianism. However, in the centuries after the Islamic conquest of Persia, most Persians converted to Islam (both by choice and from fear of violence). Islam (specifically Twelver Shiite Islam) is the dominant religion among ethnic Persians today.
One where there was plenty of blood
Zoroastrianism was the religion of Iran (Persia) before Islam. It was founded in Persia around the 6th century BC out of the teachings of a religious philosopher called Zoroaster. It influenced Christianity, Judaism and Islam
Christianity followed by Islam, Buddhism, Wicca