While Josiah was king, King Neco of Egypt led an army to the Euphrates River to help the emperor of Assyria. King Josiah tried to stop the Egyptian army at Megiddo and was killed in battle.

They lifted him out of his chariot, placed him in a second chariot which he had there, and took him to Jerusalem. There he died and was buried in the royal tombs. All the people of Judah and Jerusalem mourned his death.