One early victory for this man came against his grandfather at Echbatana, and this man's general Gubaru conquered Opis, giving him control of a vast canal system. He suffered a draw in the Battle of Pteria against Croesus, but managed to catch up to 
One early victory for this man came against his grandfather at Echbatana, and this man's general Gubaru conquered Opis, giving him control of a vast canal system. He suffered a draw in the Battle of Pteria against Croesus, but managed to catch up to him near Sardis and soundly defeated him at Thymbra. He promulgated the Edit of Restoration, which ended the Babylonian captivity of Jews. He was succeeded by Cambyses II after his death near the Syr Darya during a campaign towards Egypt. For 10 points, name this Achaemanid ruler and conqueror from Persia, whose namesake cylinder is one of the earliest charters of human rights.
One early victory for this man came against his grandfather at Echbatana, and this man's general Gubaru conquered Opis, giving him control of a vast canal system.
Cyrus the Great [or Cyrus II; or Cyrus the Elder]