Revelation 20:1-3

Then I saw an angel coming down with the key to the abyss and a great chain in his hand.  He seized the dragon, that ancient serpent who is the Devil and Satan, who deceives the whole world, and bound him for 1,000 years.  He threw him into the abyss, closed it, and put a seal on it so that he could no longer deceive the nations until the 1,000 years were completed.  After that, he must be released for a short time.