Pope Gregory X

Pope from 1271 to 1276

  • Fame58.9
  • Momentum0.0
  • Wikipedia7.5K
Source-basedStable
Lived 1210–1276, aged 66Italy
  • Wikipedia
    72 languages
    Cross-language footprint
  • Era
    1210–1276
    Aged 66
Summary
Updated 2026-06-08

The pope who walked into a vacancy so chaotic it had dragged on three years — the longest papal election in Church history — and left behind the rules that would govern conclaves for seven centuries.

Biography

About

Born Teobaldo Visconti around 1210, he was a Franciscan tertiary who entered a church paralyzed by deadlock: the 1268–1271 election stretched so long it became its own crisis. Elected in September 1271, Gregory X moved fast. He convened the Second Council of Lyon and drafted strict new regulations for papal conclaves, designed to prevent the chaos that had nearly broken the institution. Adrian V and John XXI briefly scrapped his rules, but they snapped back into place and held as standard practice into the 20th century, suspended only in extraordinary moments — French occupation in 1798, feare…

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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
58.9
Composite of search demand, mentions, audience & graph footprint.
Score components
Historical22.9
Source confidence60.0
Completeness70.0
Global rank
Country rank
Category rank
Receipts

Sources

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