God will release Satan for a short time when the thousand years end. The people, familiar with Christ and His kings and priests, will have lived in unprecedented peace, happiness, and prosperity. They will have learned and lived God's way from birth. Surely, Satan could have no influence on them!
Almost instantly, however, he will raise an army of people "as the sand of the sea" out of "the four corners of the earth"! His arguments will persuade them that they should and can destroy Christ and his throne in Jerusalem. God, however, will annihilate them all in a blinding flash of fire from heaven and cast the Devil into the Lake of Fire, never to be freed again!
Holy Days: Feast of Tabernacles