Isaiah
King James Version (KJV)

“All ye inhabitants of the world, and dwellers on the earth, see ye, when he lifteth up an ensign on the mountains; and when he bloweth a trumpet, hear ye.”
King James Version (KJV)
18:3 When - When God shall gather together the nations, as it were by the lifting up of an ensign, or by the sound of a trumpet, to execute his judgments upon this people.