Nabonassar

Nabû - Nasir (also Nabonassar, Nabobasser, Nebo - adon -Assur ) 747-733 BC when Babylonian king. The sources noted in Babylonian lunar eclipse of 731 BC, made ​​possible the precise dating of his reign.

Background

In the third year of the reign of Nabû - Nasir came Tiglath- Pileser III of Assyria. to power and moved in the same year in his first campaign in the region Akkad to the places Rabbilu and Hamranu to kidnap on the way back the gods statues of Šapazza to Assyria. More attacks on Babylonia followed. At Borsippa, there was a battle between the Tiglathpileser III. and Nabû - Nasir.

743 BC, the fifth year of the reign of Nabû - Nasir came Humban - Nikas in Elam to the throne. 733 BC died Nabû - Nasir from a disease.

Nabonassar era

The Greek astronomer Claudius Ptolemy began the first year of government Nabû - Nasir his chronological calculations under the name Nabonassar era ( Anno Nabonassar ). As a start date he chose the alleged New Year's Day 1 Thoth in the Egyptian calendar, the first day of the season Akhet. In fact, the New Year's Day, however, was bound to the heliacal rising of Sothis.

The first Achet I fell 747 BC on February 18 in the Gregorian calendar. Claudius Ptolemy dated the day in the proleptic Julian calendar, on February 26 ( Wednesday). The actual New Year's Day, the coming forth of Sothis, the Egyptian 747 BC, however, celebrated on 22 Peret I (July 10 ), the first Wepet - renpet in the Sothis calendar.