The Islamic Revolution of Iran was culminated in 1979 under the leadership of Imam Khomeini, one of the great Iranian clerics. The revolution, which led to the fall of the imperial system in Iran, is considered as a move towards the establishment of democracy based on national-religious beliefs of the people. The accurate date for the arrival of Aryans in ancient Persia is not known. The Aryans are the ancestors of Iranians and progenitors of Iranian political systems. Merely, in western and southern segments, there was the powerful Ilami regime.
Historical relics showcase their association with immigrant newcomers.
The similarity of Aryan names to Ilami ones proves this theory. Coincident with Egyptians and Mesopotamians, Ilamis, who are of the earliest civilized and urban populations worldwide, introduced the alphabets and led the globe into a historic era. The Ilamis were followed by different governments established by various Persian communities. One of the most ancient governments was that of Medes. Later on, the Achaemenids established the first empire of the world.