Iranians are one of the first groups to oppose the ruling liberation from the yoke of Abbasi and machine the Arabs to Shiism tends found and of course the Shia Imami was it kind of a dozen current and centuries of Ismaili Shia was.
Innovations and inventions of Shia Iranians to disallow the ritual of the Arabs, but the type of twelve Emami mainly from the reign of Shah Ismail safavi in Iran find serious. However, the concept of this Shia Muslim and with what we have today in terms of, there is a difference.
This is an example that I posted elsewhere and because a friend wanted a separate source book, I published a post: