2 Chronicles 35:18

18. No passover like to that Many passovers had been held in Israel since the days of Samuel, but none so memorable as this one. There was such a solemnity attending it, and such a careful adherence to the directions of the law, and so many representatives of the priests, and the Levites, and all Judah and Israel… and the inhabitants of Jerusalem, and withal, it was so preceded and followed by a dark record of national apostasy and sin, that it was remembered in Israelitish history as a most bright and blessed ray of light that had streamed through the thick darkness of the deepening night of Judah’s decline and fall.

The account of Josiah’s death (2 Chronicles 35:20-27) is somewhat more fully given here than in Kings, but the principal differences have been sufficiently noted at 2 Kings 23:26-30.