 With the approach of 1666, considered a significant date, Cromwell was allegedly interested in the return of the Jews to England because of the many theories circulating related to millennial thinking about the end of the world.Many of these ideas were fixed upon the year 1666 and the Fifth Monarchy Men who were looking for the return of Jesus as the Messiah; he was expected to establish a final kingdom to rule the physical world for a thousand years.Messianic believers supported Cromwell's Republic in the expectation that it was a preparation for the "fifth monarchy"—that is, the monarchy that should succeed the Babylonian, Persian, Greek, and Roman world empires.