2 Kings 3:1

Moab Fights with Israel

3:1 In the eighteenth year of King Jehoshaphat’s reign over Judah, Ahab’s son Jehoram became king over Israel in Samaria; he ruled for twelve years.

2 Kings 23:23

23:23 But in the eighteenth year of King Josiah’s reign, such a Passover of the Lord was observed in Jerusalem.