Nabonassar

Nabû-nāṣir, inscribed dAG-PAB or dAG-ŠEŠ-ir, Greek: Ναβονάσσαρος from whence comes "Nabonassar," “Nabû (is) protector,” was the king of Babylon 747–732 BC, beginning a new era characterized by the systematic maintenance of chronologically precise historical records. Both the Babylonian Chronicle and the Ptolemaic Canon begin with his accession to the throne. He was contemporary with the Assyrian kings, Aššur-nirarī V (755–745 BC) and Tiglath-Pileser III, the latter under whom he may have become a vassal, and the Elamite kings, Humban-Tahrah I (–743 BC) and Humban-Nikaš I (742–717 BC).