2 Chronicles 35:18

18 Since the days of the prophet Samuel, the Passover had never been celebrated like this. None of the former kings had ever celebrated a Passover like this one celebrated by King Josiah, the priests, the Levites, and the people of Judah, Israel, and Jerusalem

2 Chronicles 35:18 Meaning and Commentary

Ver. 18-19. And there was no passover like to that kept in Israel
So exactly according to the law, so universally by Israel and Judah, and with such liberality shown by the king, and the chief of the priests and Levites; of this, and the following verse, (See Gill on 2 Kings 23:22), (See Gill on 2 Kings 23:23)

2 Chronicles 35:18 In-Context

16 So, as King Josiah had commanded, everything was done that day for the worship of the Lord, the keeping of the Passover Festival, and the offering of burnt offerings on the altar.
17 For seven days all the people of Israel who were present celebrated the Passover and the Festival of Unleavened Bread.
18 Since the days of the prophet Samuel, the Passover had never been celebrated like this. None of the former kings had ever celebrated a Passover like this one celebrated by King Josiah, the priests, the Levites, and the people of Judah, Israel, and Jerusalem
19 in the eighteenth year of Josiah's reign.
20 After King Josiah had done all this for the Temple, King Neco of Egypt led an army to fight at Carchemish on the Euphrates River. Josiah tried to stop him,
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.