After all this - i. e. 13 years after, 608 B.C. See the 2 Kings 23:28-29 notes.
Related Commentaries of 2 Chronicles 35:20
2 Chronicles 35:20
20 After all this, when Josiah had prepared the temple,h Necho king of Egypt came up to fight against Carchemish by Euphrates: and Josiah went out against him.