Wherewith he fought against Amaziah - This war with Amaziah may be seen in ample detail 2 Chron. 25; it ended in the total defeat of Amaziah, who was taken prisoner by Joash, and afterwards slain in a conspiracy at Lachish. Joash took Jerusalem, broke down four hundred cubits of the wall, and took all the royal treasures, and the treasures of the house of God. See 2 Chronicles 25:20-27.
According to ordinary laws of historical composition, these verses should form the closing paragraph of the present chapter.