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Postmillennialism is a theological doctrine asserting that the Second Coming of Christ will occur after the millennium. The millennium refers to a 1,000-year reign of saints on Earth before the Last Judgment, as described in the book of Revelation. This belief is part of a broader concept of millennialism, which anticipates a period of supernatural peace and abundance on Earth.12

While earlier interpretations, like Augustine's, viewed the millennium allegorically, later developments saw more literal expectations of a future earthly kingdom. Postmillennialism, in contrast to premillennialism (which believes Christ comes before the millennium), suggests that humanity, through good works and reform, can establish a better world, paving the way for Christ's return. This progressive view has influenced movements focused on social improvement and reform.345

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