This is a little lengthy but sometimes you need the full for understanding,
Rev 16:12 And the sixth angel poured out his vial upon the great river Euphrates; and the water thereof was dried up, that the way of the kings of the east might be prepared.
Rev 16:13 And I saw three unclean spirits like frogs come out of the mouth of the dragon, and out of the mouth of the beast, and out of the mouth of the false prophet.
Rev 16:14 For they are the spirits of devils, working miracles, which go forth unto the kings of the earth and of the whole world, to gather them to the battle of that great day of God Almighty.
Rev 16:15 Behold, I come as a thief. Blessed is he that watcheth, and keepeth his garments, lest he walk naked, and they see his shame.
Rev 16:16 And he gathered them together into a place called in the Hebrew tongue Armageddon.
Armageddon, Harmageddon, Mageddon known in a few ways of different spellings, but being a city called Megiddo found in the Jezreel Valley between Nazareth and Jerusalem being a place of troops, or an assembly of troops, or a gathering of troops; or a mountain assembly of troops, or a mountain rendezvous of troops, or a mountain gathering of troops.
Rev 20:7 And when the thousand years are expired, Satan shall be loosed out of his prison,
Rev 20:8 And shall go out to deceive the nations which are in the four quarters of the earth, Gog and Magog, to gather them together to battle: the number of whom is as the sand of the sea.
Rev 20:9 And they went up on the breadth of the earth, and compassed the camp of the saints about, and the beloved city: and fire came down from God out of heaven, and devoured them.
Rev 20:10 And the devil that deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet are, and shall be tormented day and night for ever and ever.
Have you ever considered the war of Gog and Magog is the same as the battle of Armageddon as we study Ezekiel 38:1-6 which actually names all who will come against Israel in the end of days being Gog, the land of Magog, the chief prince of Meshech and Tubal, Persia, Ethiopia, Libya, Gomer and all his bands; the house of Togarmah of the north quarters, and all his bands. In this battle, this Gog-Magog War, this Armageddon battle, is a different type of battle from any other ones found in scripture including the king of the north and south in Daniel 11. Within this battle the first six trumpets of God's wrath will be poured out into the world, Ezekiel 38:17-19, as we read in Rev 8:6 being the first trumpet sounding that takes us to the seventh trumpet of God's great wrath in Rev 11:15-19 and the timing of the son of perdition during the time of the seventh trumpet that promises peace and safety if all will take the mark of this beast, 2Thessalonians 4:1-12; Rev 13.
Ezekiel 38-39 calls this the battle of Gog and Magog and Rev 16:12-16 the place called Armageddon. This all happens before the return of Christ, before Satan is bound for a time, or before that of the Millennium.
The terms “king of the north” and “king of the south” were used in Daniel 11:5-35 to describe the rulers to the north and south of Palestine. The two major powers that existed to the south and north of Jerusalem after the death of Alexander the Great were Egypt to the south (with its kings referred to as Ptolemy) and Syria to the north (with its kings referred to as Seleucus or Antiochus).
The prophecy in Daniel 11:5-31 then documents the historical interactions between the king of the South and the king of the North.
Next, this prophecy seems to include the story of the Maccabees, a Jewish family that led the resistance against Antiochus and his successors because of their efforts to force the Jewish people to accept pagan Greek practices (verses 32-39).
The reference to “the time of the end” in verse 35 is thought by some to be a reference to the time just before Christ returns. We should also understand that it might simply be a reference to the close of the Maccabean time of testing. Or it may also be that this passage is dual referring to the time of the Maccabees and beyond.
Verses 35-39 seem to describe some actions by Antiochus during the time of the Maccabees, and they also serve as a forerunner of actions that will be taken by the beast power that will exist just before Jesus Christ’s return to earth. These powers are that of Satan who has worked within all four Empires being that of the Babylonian Empire, Medo/Persian Empire, Grecian Empire and Roman Empire.