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According to Ptolemy, the reign of the Babylonian king Nabonassar (name in Akkadian pictured) began, marking a new era characterized by the systematic maintenance of chronologically precise historical records.
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Ptolemy
Astronomer and geographer (c. 100–170)
Claudius Ptolemy, better known mononymously as Ptolemy, was a Greco-Roman mathematician, astronomer, astrologer, geographer, and music theorist who wrote about a dozen scientific treatises, three of which were important to later Byzantine, Islamic, and Western European science.…Source: Wikipedia (CC BY-SA)
Babylon
Ancient Mesopotamian city in Iraq
Babylon was an ancient city located on the lower Euphrates river in southern Mesopotamia, within modern-day Hillah, Iraq, about 85 kilometres south of modern-day Baghdad. Babylon functioned as the main cultural and political centre of the Akkadian-speaking region of Babylonia.…Source: Wikipedia (CC BY-SA)
Nabonassar
8th-century BC king of Babylon
Nabû-nāṣir was the king of Babylon from 747 to 734 BC. He deposed a foreign Chaldean usurper named Nabu-shuma-ishkun, bringing native rule back to Babylon after twenty-three years of Chaldean rule. His reign saw the beginning of a new era characterized by the systematic…Source: Wikipedia (CC BY-SA)