The sixth angel poured his bowl on the great river Euphrates, and its water was dried up in order to prepare the way for the kings from the east.
And I saw three foul spirits like frogs coming from the mouth of the dragon, from the mouth of the beast, and from the mouth of the false prophet.
These are demonic spirits, performing signs, who go abroad to the kings of the whole world, to assemble them for battle on the great day of God the Almighty.
("See, I am coming like a thief! Blessed is the one who stays awake and is clothed, a not going about naked and exposed to shame.")
And they assembled them at the place that in Hebrew is called Harmagedon.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved. (New Revised Standard Bible Version Online)