Revelation 20:7

Καὶ ὅταν τελεσθῇ τὰ χίλια ἔτη, λυθήσεται ὁ Σατανᾶς ἐκ τῆς φυλακῆς αὐτοῦ,

Kai otan telesthē ta chilia etē, lythēsetai o Satanas ek tēs phylakēs aytoy,

King James Version (KJV)

And when the thousand years are expired, Satan shall be loosed out of his prison,

Modern English

When the thousand years are over, Satan will be released from his prison