E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Nabonassar or Nebo-adon-Assur.
(Nebo, Prince of Assyria.) Founder of the Babylonian and Chaldæan kingdom, and first of the dynasty of Nabonassar.
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Era of Nabonassar began Wednesday, February 26th, 747 B.C., the day of Nabonassars accession. It was used by Ptolemy, and by the Babylonians, in all their astronomical calculations.