Zechariah 12:11

In that day, when the greatness of their crime in putting their own Messiah to death, would be brought home to some of the people, shall there be a great mourning in Jerusalem, as is ever the case when men realize that their sins were the cause of Christ's death, as the mourning of Hadad-rimmon, when the men of Judah mourned so bitterly over the death of their King Josiah, who was mortally wounded near that place in the Plain of Esdraelon, 2 Chronicles 35:22 ff. in the Valley of Megiddon, this being the name of the battlefield.