Leo IV the Khazar

Byzantine emperor

  • Fame55.7
  • Momentum3.2
  • Wikipedia7.7K
Source-basedStable
Lived 750–780, aged 30
ModelsModel
  • Wikipedia
    53 languages
    Cross-language footprint
  • Era
    750–780
    Aged 30
Summary
Updated 2026-06-09

A Byzantine emperor named for his Khazar mother who ruled five years, won one sharp victory over the Abbasids in Syria, and died of tuberculosis at thirty — leaving his wife Irene to steer the throne for their child.

Biography

About

Leo was born in January 750 to Emperor Constantine V and Empress Tzitzak, a Khazar princess whose heritage gave him his byname. Elevated to co-emperor at one year old in 751, he married Irene of Athens in 769. When Constantine V died campaigning against the Bulgars in September 775, Leo became senior emperor. In 778 he raided Abbasid Syria and won a decisive battle outside Germanikeia. He died of tuberculosis on 8 September 780, and his underage son Constantine VI took the throne with Irene as regent.

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By the numbers

Score breakdown

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Stable
55.7
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum3.2
Historical22.3
Now attention18.0
Source confidence60.0
Completeness60.0
Global rank
Country rank
Category rank
Receipts

Sources

  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence