Defending Constantine

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| name = Defending Constantine

| image = File:Defending Constantine.jpg

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| author = Peter Leithart

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| subject = Constantine the Great and Christianity

| publisher = IVP Academic

| pub_date = 2010

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| pages = 373

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Defending Constantine: The Twilight of an Empire and the Dawn of Christendom is a 2010 book by Peter Leithart which examines Constantine the Great and Christianity. Leithart argues that Constantine was a real Christian, and takes issue with John Howard Yoder's view on Constantinianism, arguing that there was no Constantinian shift.{{cite journal |last1=Hauerwas |first1=Stanley |author-link=Stanley Hauerwas|title=A review of Defending Constantine |url=https://www.christiancentury.org/reviews/2010-09/nonfiction-1 |accessdate=26 September 2018 |work=The Christian Century |date=12 October 2010}}{{cite journal |last1=Furry |first1=Timothy |title=Review of Peter Leithart's, Defending Constantine: The Twilight of an Empire and the Dawn of Christendom |url=https://www.elca.org/JLE/Articles/195 |accessdate=26 September 2018 |work=Journal of Lutheran Ethics |date=1 September 2010}}

Defending Constantine provoked a book-length response: Constantine Revisited: Leithart, Yoder, and the Constantinian Debate, edited by John D. Roth (Wipf and Stock, 2013).{{cite journal |last1=Roth |first1=John D. |author-link=John D. Roth|title=Constantine Revisited: Leithart, Yoder, and the Constantinian Debate |url=https://www.christiancentury.org/reviews/2014-05/constantine-revisited-leithart-yoder-and-constantinian-debate-edited-john-d-roth |accessdate=26 September 2018 |work=The Christian Century |date=3 June 2014}}