The following comparative chart powerfully demonstrates that judgment of Babylon and the fall of her “throne” (power) as seen in Revelation 16, was the judgment and destruction of Satan and his throne (power) as seen in Revelation 20. And, since Babylon of Revelation 16 was first century Old Covenant Jerusalem; this means that the crushing of Satan at the end of the millennium was accomplished through the crushing of anti-Christ Israel and the overthrow of Judaism in AD70.
The Crushing of Satan through the Crushing of His Seed and Their Kingdom