For anyone else who never heard the term before: In political theory and theology, to immanentize the eschaton is a generally pejorative phrase referring to attempts to bring about utopian conditions in the world, and to effectively create heaven on earth. Theologically, the belief is akin to postmillennialism as reflected in the Social Gospel of the 1880–1930 era, as well as Protestant reform movements during the Second Great Awakening in the 1830s and 1840s such as abolitionism