For they are spirits of demons, performing signs, which go out to the kings of the earth and of the whole world, to gather them to the battle of that great day of God Almighty [...]And they gathered them together to the place called in Hebrew, Armageddon (Rev. 16: 14, 16)
Yep, and per Joel 3 as well.
This could be one more example of the hardening of the hearts of the Lord’s enemies in preparation.