Nebuchadnezzar IV
(Akad. Nabu-kudurri-usur-usure, God Na bu, defend my borders, incl Arak, son of Haldity, died. November 27 521 BC in Babylon) - Urartyjczyk proclaimed king of Babylonia, August 25 521 BC, during the reign of Persian king Darius the Gr eat , claiming to be the son of the last ruler of Babylon before the Persian conquest, Nabonidus. Using the battles in what is now Iran, where Darius, who had recently ascended the throne, strengthen his rule, the Babylonians raised a rebellion in the mid-521 p.