or Nebo-adon-Assur. (Nebo, Prince of Assyria.) Founder
of the Babylonian and Chaldæan kingdom, and first of the dynasty of
Nabonassar.
Era of Nabonassar
began Wednesday, February 26th, 747 B.C., the day of Nabonassar's
accession. It was used by Ptolemy, and by the Babylonians, in all their
astronomical calculations.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894