Zechariah 1:9, 19

Then I said, “O my lord, what are these?” And the angel who was speaking with me said, “I will show you what these are.”

So I asked the angel who was speaking with me, “What are these?” And he answered me, “These are the horns [the powerful Gentile nations] that have scattered Judah (the Southern Kingdom), Israel (the Northern Kingdom), and Jerusalem (capital city of Judah).”