Jeffro
nsight on the Scriptures, vol. 1, p. 205:
The Babylonian Chronicle B.M. (British Museum) 21901 recounts the fall of Nineveh … Ashur-uballit was trying to reconquer [Harran] after having been driven out. This record is in harmony with the account relative to the activity of Pharaoh Nechoh recorded at 2 Kings 23:29, which activity resulted in the death of King Josiah of Judah (c. 629 B.C.E.). This text states that “Pharaoh Nechoh the king of Egypt came up to the king of Assyria by the river Euphrates”—evidently to help him. “The king of Assyria” to whom Nechoh came may well have been Ashur-uballit II. Their campaign against Haran did not succeed. The Assyrian Empire had ended.
Note that JW literature calls it 629BCE because of their broken chronology, but it actually identifies the specific event in 609BCE when Babylon completely conquered Assyria, exactly 70 years before Babylon was itself conquered.
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Herein lies your problem for the fuzziness remains as the quoted paragraph and the following indicate that Nineveh fell in the 14th year of King Nabopolassar- 612 BCE/632 BCE but three years later in Nab's 17th- 609 BCE/629 BCE year the Assyrian King continued to press on regardless without success, thus you have a choice between 609 BCE or 612 BCE for the actual Fall of Assyria according to NB Chronology. The said scholar can see and feel the fuzziness!!! LOL!!
The late COJ in his masterful deception published as GTR canvassed the idea that the events of 605 BCE were another alternative beginning for 70 years but this would shorten the period to 66 years which would another problem.
scholar JW