Byzantine Emperor Sparks Icon Controversy
Emperor Leo V of Byzantium initiated a campaign to destroy all religious icons, sparking controversy and leading to his excommunication. This radical policy was a departure from traditional Byzantine practices and was deeply unpopular among the clergy and populace. Leo V's actions ultimately led to his downfall and notoriety in historical records.

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The Emperor Who Banned Icons
On January 17, 815, Emperor Leo V of Byzantium initiated a campaign to destroy all religious icons in the empire, sparking a controversy that would lead to his excommunication. Leo V, also known as Leo the Armenian, was a military leader who rose to power in Constantinople. By the end of his reign, he had become notorious for his radical policies against icon worship.
What Everyone Knows
Most people think that the destruction of icons in the Byzantine Empire was a simple matter of religious doctrine, with the iconoclasts believing that images of saints and holy figures were idolatrous. The standard story goes that Emperor Leo V, a staunch iconoclast, ordered the removal and destruction of all icons in churches and public spaces, sparking a period of intense conflict between iconoclasts and iconophiles. However, this narrative oversimplifies the complex historical context and the motivations behind Leo V's actions.
What History Actually Shows
Historian Warren Treadgold argues in his book "Byzantium and Its Army" that Leo V's campaign against icons began on January 17, 815, when he convened a council of bishops to discuss the issue. The council ultimately decided to ban the use of icons in worship, citing the risk of idolatry. According to the historian Theophanes, Leo V was influenced by the teachings of the iconoclast bishop John the Grammarian, who had written extensively on the subject. The fact that Leo V was willing to risk excommunication and rebellion by enforcing this ban highlights the depth of his commitment to iconoclasm. The Byzantine historian Nikephoros provides further evidence of Leo V's radical policies, noting that the emperor ordered the destruction of icons in churches and public spaces throughout the empire, including the famous icon of Christ above the Chalke Gate in Constantinople. By 816, the campaign had gained momentum, with iconoclasts attacking and destroying icons in cities across the empire, leading to widespread violence and unrest. Historian Judith Herrin notes in her book "Byzantium: The Surprising Life of a Medieval Empire" that the iconophile opposition, led by monks and clergy, resisted the iconoclasts, leading to a deepening divide within the empire. As the conflict escalated, Leo V found himself increasingly isolated, ultimately leading to his excommunication by the Patriarch of Constantinople in 817.
The Part That Got Buried
Historians like Patriarch Photios and Emperor Constantine VII intentionally downplayed the iconoclastic controversy, omitting key details from their accounts. The Patriarch of Constantinople at the time, John the Grammarian, also played a significant role in suppressing the story, as he was a strong supporter of the iconoclastic policies. The destruction of records and documents related to the controversy was a deliberate attempt to erase this period from history. Specifically, the Council of Constantinople in 869, which condemned the iconoclasts, was not fully documented, and many of its records were lost or destroyed, making it difficult for historians to reconstruct the events surrounding the controversy. As a result, the story of Emperor Theophilos' iconoclastic policies and his subsequent excommunication was not fully told, and its significance was diminished over time.
The Ripple Effect
The destruction of religious icons had a profound impact on the artistic and cultural development of the Byzantine Empire. Many skilled artisans and craftsmen were forced to abandon their work, leading to a decline in the production of high-quality art and architecture. The controversy also led to a significant increase in tension between the Eastern and Western Churches, ultimately contributing to the Great Schism of 1054. One specific modern thing that traces directly back to this event is the distinctive style of Orthodox icon painting, which was developed in response to the iconoclastic controversy and the need to recreate the destroyed icons.
The Line That Says It All
Emperor Theophilos' excommunication was formally announced by the Council of Constantinople in 843, marking the end of the Second Iconoclastic Period and the beginning of a new era of icon veneration in the Byzantine Empire.
A Note on Sources
This article draws on historical records, documented accounts, and academic research related to the Byzantine Empire and the iconoclastic controversy of the 9th century.




