Leo IV the Khazar
Byzantine emperor
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Updated 2026-05-29
Ruled Byzantium for five years and landed a massive win against the Abbasids in Syria. Leo IV died young in 780, leaving his empire to a kid and his wife Irene to run the show as regent.
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Leo IV the Khazar was Byzantine emperor from 775 to 780 AD. He was born to Emperor Constantine V and Empress Tzitzak in 750. He was elevated to co-emperor in the next year, in 751, and married to Irene of Athens in 769. When Constantine V died in September 775, while campaigning against the Bulgars, Leo IV became senior emperor. In 778 Leo raided Abbasid Syria, decisively defeating the Abbasid army outside of Germanikeia. Leo died on 8 September 780, of tuberculosis. He was succeeded by his underage son Constantine VI, with Irene serving as regent.
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Falling6.3
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Historical19.2
Source confidence60.0
Completeness60.0
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- WikipediaHigh confidencewikipedia · en.wikipedia.org
- WikidataHigh confidencewikidata · wikidata.org
- Pantheon 2.0High confidencedatabase · pantheon.world
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