Nebuchadnezzar II · Cyrus the Great Were Nebuchadnezzar II and Cyrus the Great alive at the same time? Yes. Nebuchadnezzar II and Cyrus the Great were alive at the same time, from c. 600 BC to 564–558 BC. Nebuchadnezzar IIKing of BabylonBorn c. 642 BC · died 564–558 BCCyrus the GreatFounder of the Achaemenid EmpireBorn c. 600 BC · died 530 BC Nebuchadnezzar IISolonAesopAnaximanderCyrus the GreatXenophanesConfuciusDarius I Nebuchadnezzar II and Cyrus the Great in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.