Verse 3
Out of the north there cometh up a nation - The Medes, who formed the chief part of the army of Cyrus, lay to the north or north-east of Babylon.
Shall make her land desolate - This war, and the consequent taking of the city, began those disasters that brought Babylon in process of time to complete desolation; so that now it is not known where it stood, the whole country being a total solitude.