Zechariah 12:11

Overview - Zechariah 12
Jerusalem a cup of trembling to herself,
and a burdensome stone to her adversaries.
The victorious restoring of Judah.
10 The repentance of Jerusalem.
Treasury of Scripture Knowledge

Zechariah 12:11  (King James Version)
In that day shall there be a great mourning in Jerusalem, as the mourning of Hadadrimmon in the valley of Megiddon.

2 Kings 23:29 ; 2 Chronicles 35:24