The major language in Iran, former Persia, is Farsi. It is a branch of the Indo-Iranian languages which is a group of the Indo- European languages. Persian language became the major literary instrument for many poems and religious works. Prior to the foundation of Islam in Iran, Persians are noted for the development of one of the oldest monotheistic religions, Zoroastrianism.
Iranian culture is one of the oldest in the whole world and has influenced cultures like Italy, Macedonia, Greece, Russia, the Arabian Peninsula, and parts of Asia