In the fourth century AD, the Christian faith exploded out of Palestine, overwhelming the paganism of Rome, converting the Emperor Constantine in the process. Almost a thousand years later, all of Europe was controlled by Christian rulers, and the religion was deeply ingrained within culture and society. 

In this edition of Gone Medieval, Matt Lewis talks to Professor Peter Heather, author of Christendom: The Triumph of a Religion, about how Christianity rose to wield authority across nearly all of the disparate peoples of medieval Europe.

The Senior Producer on this episode was Elena Guthrie. It was edited and produced by Rob Weinberg. 

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