It was first applied to the extreme southern district, whose ancient capital was the city of Bit Yakin, the chief seat of the renowned Chaldaean rebel Merodach-baladan, who harassed the Assyrian kings Sargon and Sennacherib.
(722-705 B.C.) "king of the land of the Chaldaeans" and "king of the land of Bit Yakin" after the old capital city, but there is no satisfactory evidence that Merodach-baladan had the right to the title "Babylonian."
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