There was none - the world was polytheistic, with many gods, each having a particular function. Persia allowed religious tolerance and there were over two thousand gods recognised in the Empire. The gods had specific complementary functions and many of them were the same or equivalent, with different local names, so there was no real dominant religion or conflict. It was not until the spread of the gods of the Jews, Christians and Muslims, with their claims of dominance for 'one supreme god' that religious intolerance became a problem.
Zoroastrianism was the dominant religion practiced in the Persian Empire. It was founded by the prophet Zoroaster and emphasized concepts of duality between good and evil, free will, and the worship of one supreme deity, Ahura Mazda.
Zoroastrianism was the religion that developed during the Persian Empire. It was founded by the prophet Zoroaster and promoted the worship of Ahura Mazda as the supreme deity. Zoroastrianism influenced later monotheistic religions like Judaism, Christianity, and Islam.
The Seljuk Empire adopted Sunni Islam as its major religion. They embraced Sunni beliefs and established Islamic institutions in their territories, promoting Islam as the dominant religion in the region.
Zoroastrianism was the new religion that developed during Darius's rule of the Persian Empire. It was founded by the prophet Zoroaster (Zarathustra) and emphasized the worship of Ahura Mazda as the supreme deity and the belief in a cosmic struggle between good and evil.
The empire of Songhai practiced Islam as its main religion. Islam was introduced to the region through trade and interactions with North African Muslim traders. It became the dominant religion in Songhai during the rule of Sunni Ali and Askia Muhammad.
Islam.
The Persian Empire
Zoroastrianism was the dominant religion practiced in the Persian Empire. It was founded by the prophet Zoroaster and emphasized concepts of duality between good and evil, free will, and the worship of one supreme deity, Ahura Mazda.
The dominant religion in the Roman Empire was the Roman religion until Christianity became the dominant religion.
Before the start of Islam, the dominant religion in the Arabian peninsula was paganism, although there were significant minorities of Christians and Jews. The dominant religion in Palestine, Syria, Turkey and North Africa was Christianity. There was a small minority of Jews. The dominant religion in the Persian Empire, consisting mainly of Iran and Iraq, was Zoroastrianism, although there were significant minorities of Christians and Jews.
zoroastian
ZOROASTRIAN
The language spoken in the Persian empires was Old Persian. It was the administrative language of the Achaemenid Empire and the Persian language used in official inscriptions and documents. Later, under the Sassanian Empire, Middle Persian became the dominant language.
Today's Parsees, who follow the Zoroastrian religion of its founder Zarathustra.
Zarathustra was a Persian prophet since his family originated from Persia. Although he ran away, his teachings were spread around the Persian Empire first. Persian nobles and Persian aristocrats embraced the new religion first and allowed the religion to blossom.
The official language of the Persian Empire was Old Persian, which belonged to the Indo-European language family. Over time, the empire also adopted Aramaic as a common language for administrative purposes due to its widespread use across the region.
The outcome of the Persian Wars left a continuing fighting between Greek cities which so weakened them that the way was opened for Macedon to become dominant. This dominance and resulting military power allowed Alexander the Great to take over the Persian Empire spread of Greek culture and religion