the political infrastructure he created, the Achaemenid empire endured long after his demise. The rise of Persia under Cyrus's rule had a profound impact on the course of world history. Persian philosophy, literature and religion all played dominant roles in world events for the next millennia. Despite the Islamic conquest of Persia in the 7th century CE by the Islamic Caliphate (Arab Empire, Persia continued to exercise enormous influ- ence in the Middle East during the Islamic Golden Age." -- Reference Wikipedia.org back to 172)