John V Palaiologos

Byzantine emperor

  • Fame55.3
  • Momentum0.6
  • Wikipedia14.5K
Source-basedFalling
Lived 1332–1391, aged 59
ModelsModel
  • Wikipedia
    54 languages
    Cross-language footprint
  • Era
    1332–1391
    Aged 59
Summary
Updated 2026-06-09

He reigned over Byzantium for half a century and watched it collapse in slow motion. John V Palaiologos held the throne longer than almost any Byzantine emperor — through plague, civil wars with his own family, and the steady advance of the Ottomans who turned his empire into a client state.

Biography

About

John V became emperor at eight in 1332, triggering a civil war between his mother Anna of Savoy — who pawned the crown jewels to Venice for cash — and his regent John VI Kantakouzenos. Kantakouzenos claimed the throne in 1347, the same year the Black Death arrived. Another civil war erupted in 1352 when John V enlisted Serbian help against Kantakouzenos's son; the Ottomans used the chaos to seize their first foothold in Europe. John V took real power in 1354, then spent years begging the West for aid, converting to Catholicism before the Pope in 1369 in a failed bid for support. Venice impriso…

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By the numbers

Score breakdown

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

Fame
Falling
55.3
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum0.6
Historical22.5
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