John Gill Commentary Ezra 4:19

"And I decreed, and search hath been made, and it is found that this city of old time hath made insurrection against kings, and that rebellion and sedition have been made therein." — Ezra 4:19 (ASV)

And I commanded, and search has been made
In the records of his predecessors, whether Chaldeans or Persians:

and it is found that this city of old time has made insurrection
against kings, and that rebellion and sedition have been made therein :
and yet this could not be carried higher than to the times of Zedekiah and Jehoiakim, as before observed, which was not one hundred years ago, unless the rebellion of Hezekiah against the king of Assyria could be thought to be in these records, (2 Kings 18:7)

And yet from hence it is concluded as if in ages past they had been guilty of rebellion and sedition, and even always.