The Fall of the Pagans and the Origins of Medieval Christianity
Join a historically focused discussion of the dramatic interaction between Judaism, Christianity, and paganism presented by an award-winning teacher, classical scholar, and one of the most esteemed historians at The Great Courses.
Overview
Course No. 3466
Professor Harl’s 24-lecture course examines the religious transformation of Rome through:
- Nero’s persecutions to Constantine’s conversion
- The clash between imperial cults and Christian theology
- Key figures like Origen, Julian the Apostate, and Theodosius
- How asceticism and monasticism reshaped Roman society
From mystery cults to Nicene orthodoxy, trace how Christianity became Europe’s dominant faith between the 1st-6th centuries.
Video Lectures
Part 1: Roman Religious Landscape
1-6. Pagan Foundations (30-32 min)
Imperial cults, mystery religions, Stoic philosophy.
7-12. Early Christian Challenges (30-32 min)
Paul’s missions, persecutions, Clement’s theology.
Part 2: Imperial Turning Points
13-18. Crisis and Conversion (31-33 min)
Diocletian’s reforms, Constantine’s vision, Nicene councils.
Part 3: Christian Dominance
19-24. Triumph and Transformation (31-35 min)
Julian’s pagan revival, Theodosian laws, Justinian’s purge.

