Zechariah 14:3

New English Translation

³Then the Lord will go to battle^[a] and fight against those nations, just as he fought battles in ancient days.^[b]

Zechariah 14:3 sn The statement the Lord will go to battle introduces the conflict known elsewhere as the “battle of Armageddon,” a battle in which the Lord delivers his people and establishes his millennial reign (cf. Joel 3:12, 15-16; Ezek 38-39; Rev 16:12-21; 19:19-21).
Zechariah 14:3 tn Heb “as he fights on a day of battle” (similar NASB, NIV, NRSV).

New English Translation (NET)