This is an overview of both Christian and non-Christian Millennialism. For specific variants, see Premillennialism, Amillennialism, or Postmillennialism. Millennialism (from millennium, Latin for “thousand years”), or chiliasm in Greek, is a belief held by some Christian denominations that there will be a Golden Age or Paradise on Earth in which “Christ will reign” for 1000 years prior to the final judgment and future eternal state.