Revelation 20:6-8

Young's Literal Translation

⁶ Happy and holy [is] he who is having part in the first rising again; over these the second death hath not authority, but they shall be priests of God and of the Christ, and shall reign with him a thousand years.

⁷ And when the thousand years may be finished, the Adversary shall be loosed out of his prison,

⁸ and he shall go forth to lead the nations astray, that are in the four corners of the earth -- Gog and Magog -- to gather them together to war, of whom the number [is] as the sand of the sea;