Then in his presence the altars of the Baals were torn down, and he cut to pieces the incense altars that were above them. He shattered the Asherah poles, the carved idols, and the cast images, crushed them to dust, and scattered them over the graves of those who had sacrificed to them.
Concerning Josiah we are here told, 1. That he came to the crown when he was very young, only eight years old (yet his infancy did not debar him from his right), and he reigned thirty-one years (Ch2 34:1), a considerable time.
Commenting on 2 Chronicles 34:1-7
And he burnt the bones of the priests upon their altars,.... On which they sacrificed, in detestation of their idolatry, and to deter from it; and this he did according to the prophecy of him, above three hundred and fifty years before: and cleansed Judah and Jerusalem; from idolatry, and all the monuments of it.
the graves of them that had sacrificed unto them--He treated the graves themselves as guilty of the crimes of those who were lying in them [BERTHEAU].