
PREVIEW: Epochs #238 | The Fourth Crusade: Part III with Marcus Furius
Nov 23, 2025
Marcus Furius, a historian specializing in Byzantine history, dives deep into the complexities of the Eastern Roman Empire. He explores Byzantine intelligence tactics and their strategies against steppe tribes. The discussion reveals the intricate ties between Kievan Rus and Orthodox Christianity through marriage alliances. Furius sheds light on the iconoclasm movement's cultural impacts and outlines the events leading to the Great Schism, contrasting Byzantine church-state relations with papal claims of supremacy.
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Byzantine Early Intelligence State
- The Byzantines built an early, state-run intelligence and diplomatic network to monitor neighbors and steppe peoples.
- They used alliances and proxy tribes to balance frontier powers rather than direct conquest.
Kievan Rus And Byzantine Kinship
- Marcus Furius recounts Kievan Rus interactions that led to Orthodox conversion and dynastic ties with Byzantium.
- These links seeded the cultural and religious identity that later shaped Russia's self-identification.
Iconoclasm Linked To Military Crisis
- Iconoclasm arose amid external military crises and inward reflection about divine favor.
- The movement became a century-long internal ideological struggle with lasting cultural damage to images and mosaics.
