The Persian religion is composed of two main faiths: Baha'i and Zoroastrianism. Baha'i is a monotheistic religion founded in 19th century Iran that emphasizes the spiritual unity of all humankind. Zoroastrianism is an ancient religion originating in Persia that emphasizes the dualism between good and evil, light and darkness, and truth and falsehood. Both religions have had a significant influence on the culture and history of the region.