The document discusses Persian empires throughout history including the Achaemenid Empire, Parthian Empire, Sasanian Empire, and Samanid Empire. It then provides information about Edward FitzGerald, the English poet best known for his translation of The Rubaiyat of Omar Khayyam, including details about the different editions of his translation. Finally, it notes that according to the Encyclopedia Britannica, the poems reveal a man troubled by questions of the nature of reality, impermanence of life, and man's relationship to God.