11 In that day there will be a great mourning in Jerusalem, like the mourning of Hadadrimmon in the valley of Megiddon.
Zechariah 12:11 Cross References - WEB
2 Kings 23:29
29 In his days Pharaoh Necoh king of Egypt went up against the king of Assyria to the river Euphrates; and king Josiah went against him; and Pharaoh Necoh killed him at Megiddo, when he had seen him.
2 Chronicles 35:24
24 So his servants took him out of the chariot, and put him in the second chariot that he had, and brought him to Jerusalem; and he died, and was buried in the tombs of his fathers. All Judah and Jerusalem mourned for Josiah.