Moreover Josiah kept a passover unto the LORD in Jerusalem: and the…

Josiah was eight years old when he began to reign, and he reigned thirty and one years in Jerusalem.

2 Kings 22:1 (KJV)

For in the eighth year of his reign, while he was yet young, he began to seek after the God of David his father.

2 Chronicles 34:3 (KJV)

For he removed the altars of the strange gods, and the high places, and brake down the images, and cut down the groves.

2 Chronicles 34:3 (KJV)

And Hilkiah the high priest said unto Shaphan the scribe, I have found the book of the law in the house of the LORD.

2 Kings 22:8 (KJV)

And it came to pass, when the king had heard the words of the book of the law, that he rent his clothes.

2 Kings 22:11 (KJV)

And the king commanded Hilkiah the priest… saying, Go ye, enquire of the LORD for me… So Hilkiah the priest… went unto Huldah the prophetess.

2 Kings 22:14 (KJV)