Jeremiah 39:1
The Fall of Jerusalem
1 kIn the ninth year of Zedekiah king of Judah, in the ltenth month, Nebuchadnezzar king of Babylon and all his army came against Jerusalem and besieged it.
Jeremiah 52:4
4 And in the ninth year of his reign, in the tenth month, on the tenth day of the month, Nebuchadnezzar king of Babylon came with all his army against Jerusalem, and laid siege to it. And they built siegeworks all around it.