Revelation 19:19

And I saw the beast, and the kings of the earth, and their armies, gathered together to make war against him who sat on the horse, and against his army.

Revelation 16:16

And he gathered them together into the place called in the Hebrew tongue, Harmegedon.

Revelation 16:14

for they are the spirits of demons, working signs, which go forth to the kings of the whole world, to gather them to the battle of that great day of God l Almighty.

Revelation 11:7

And when they shall have finished their testimony, the beast that cometh up out of the abyss will make war against them, and will overcome them, and kill them.

Revelation 13:1-10

And I stood upon the sand of the sea. And I saw a beast coming up out of the sea, having ten horns and seven heads, and upon his horns ten diadems, and upon his heads names of blasphemy.

Revelation 14:9

And another, a third angel, followed them, saying with a loud voice: If any one worship the beast and his image, and receive the mark on his forehead or on his hand,

Revelation 17:12-14

And the ten horns which thou sawest are ten kings, who have received no kingdom as yet, but receive authority as kings one hour with the beast.

Revelation 18:9

And the kings of the earth who committed fornication and lived luxuriously with her shall weep and lament for her, when they see the smoke of her burning,

Revelation 19:11-14

And I saw heaven opened, and behold, a white horse, and he who sat upon him was called Faithful and True, and in righteousness he doth judge and make war.

Treasury of Scripture Knowledge

Summary

And I saw the beast, and the kings of the earth, and their armies, gathered together to make war against him that sat on the horse, and against his army.

Bible References

I saw

Revelation 13:1
And I stood upon the sand of the sea. And I saw a beast coming up out of the sea, having ten horns and seven heads, and upon his horns ten diadems, and upon his heads names of blasphemy.
Revelation 14:9
And another, a third angel, followed them, saying with a loud voice: If any one worship the beast and his image, and receive the mark on his forehead or on his hand,
Revelation 16:14
for they are the spirits of demons, working signs, which go forth to the kings of the whole world, to gather them to the battle of that great day of God l Almighty.
Revelation 17:12
And the ten horns which thou sawest are ten kings, who have received no kingdom as yet, but receive authority as kings one hour with the beast.
Revelation 18:9
And the kings of the earth who committed fornication and lived luxuriously with her shall weep and lament for her, when they see the smoke of her burning,

Him

Revelation 19:11
And I saw heaven opened, and behold, a white horse, and he who sat upon him was called Faithful and True, and in righteousness he doth judge and make war.