2 Chronicles 34:33--35:1

34:33 Josiah removed all the detestable idols from all the areas belonging to the Israelites and encouraged all who were in Israel to worship the Lord their God. Throughout the rest of his reign they did not turn aside from following the Lord God of their ancestors.

Josiah Observes the Passover

35:1 Josiah observed a Passover festival for the Lord in Jerusalem. They slaughtered the Passover lambs on the fourteenth day of the first month.