Constructing Christendom: Conquest and Diocese Formation in Medieval Iberia with Thomas W. Barton (U Pennsylvania Press, 2026)
New Books in ReligionShow Notes
In Constructing Christendom: Conquest and Diocese Formation in Medieval Iberia (U Pennsylvania Press, 2026), Dr. Thomas W. Barton examines how church leaders partnered with lay rulers to integrate lands conquered from the Muslims in the Iberian Peninsula from the ninth through the fourteenth centuries. In tracing the intricate developmental histories of a cluster of competitive neighboring bishoprics, Dr. Barton reveals how rival factions fought over new territory by asserting that it belonged to their foundations according to ancient precedent. Wielding self-interested, manipulated recollections of the organization of the Visigothic church that had predated the eighth-century Muslim conquest did more than further these local territorial battles; it helped promote a shared revisionist Christian historical vision that delegitimized non-Christian rule and emphasized the elemental, divinely ordained centrality of papal authority.
Based on over a decade of research and drawing on documentation from numerous underutilized local archives, Constructing Christendom presents the unwritten histories of these foundations to demonstrate how such local efforts to expand Latin Christendom’s frontiers and establish or enlarge dioceses came to be associated with the reordering of the ecclesiastical hierarchy and the solidification of a cohesive European Christian identity. Despite the persistence of some unique features deriving from the formational histories of these frontier bishoprics, the overarching trend, Dr. Barton finds, was toward gradual homogenization, as dioceses on Christendom’s periphery and established ones situated closer to its core increasingly came to resemble one another in terms of their administrative and cultural attributes and relationships to papacy-centric governance.
This interview was conducted by Dr. Miranda Melcher whose book focuses on post-conflict military integration, understanding treaty negotiation and implementation in civil war contexts, with qualitative analysis of the Angolan and Mozambican civil wars. You can find Miranda’s interviews on New Books with Miranda Melcher, wherever you get your podcasts.
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