Kids learn about the biography of Cyrus the Great from Ancient Mesopotamia. He established the first Persian Empire and released the Jews from exile. The name " Cyrus " (a transliteration of the Greek Kυρoς) is the Greek version of the Old-Persian kûruš or Khûrvaš meaning "sun-like": the noun khûr denotes. The Persian Empire is one of the most mysterious major civilizations in the ancient world. Persia became an.