Ezekiel 38:16-17

You will come up against my people Israel, like a cloud covering the land. In the latter days I will bring you against my land, that the nations may know me, when through you, O Gog, I vindicate my holiness before their eyes. “Thus says the Lord GOD: Are you he of whom I spoke in former days by my servants the prophets of Israel, who in those days prophesied for years that I would bring you against them?