In this his accession year he returned to Hattu, and “in the month Shebat [January-February, 624 B.C.E.] he took the vast booty of Hattu to Babylon.” (Assyrian and Babylonian Chronicles, by A. K. Grayson, 1975, p. 100)
... In 624 B.C.E., in the first official year of his kingship, Nebuchadnezzar again led his forces through Hattu; he captured and sacked the Philistine city of Ashkelon. (See ASHKELON.)