# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/pope-pius-ix
# Generated: 2026-08-31T13:54:09.910Z

schema: https://schema.org/Person
url: "https://fame.am/person/pope-pius-ix"
name: "Pope Pius IX"
slug: "pope-pius-ix"
description: "The longest-reigning pope in verified history spent his final eight years refusing to leave the Vatican, calling himself a prisoner after Italian forces seized Rome. He convened the council that defined papal infallibility, then watched his temporal kingdom collapse."
tagline: "Pope of the Catholic Church from 1846 to 1878"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Pius_IX%2C_by_Adolphe_Braun%2C_1875.jpg"
gender: "male"
country:
  name: "Italy"
  isoCode: "IT"
category:
  name: "Religious Figures"
  slug: "religious-figures"
profileType:
  name: "Religious Figure"
  slug: "religious-figure"
birthDate: "1792-05-13"
deathDate: "1878-02-07"
livingStatus: "DECEASED"
scores:
  popularity:           74.23
  momentum:             10.75746921729112
  historical:           28.462848
  currentAttention:     3.055555555555556
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "STABLE"
ranks:
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  country:  131
  category: 17
tags:
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  - name: "Religion"
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  - name: "19th Century"
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    title: "Wikipedia"
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    title: "Pi IX"
    type:  "WIKIPEDIA"
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    title: "Pius IX"
    type:  "WIKIPEDIA"
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    title: "Gáu-huòng Pius 9-sié"
    type:  "WIKIPEDIA"
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    title: "Pius IX."
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    title: "Pab Pïws IX"
    type:  "WIKIPEDIA"
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    title: "Pave Pius 9."
    type:  "WIKIPEDIA"
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    title: "Pío IX"
    type:  "WIKIPEDIA"
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    title: "Pius IX"
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# bio (long form, separated for readability)
bio: |
  Giovanni Mastai-Ferretti became Pope Pius IX on 16 June 1846 as a liberal reformer who eased Jewish restrictions and pardoned revolutionaries. The Revolutions of 1848 shattered that course: his prime minister was assassinated, he fled Rome after being held prisoner in his own palace, and he excommunicated the participants in the Roman Republic that briefly replaced him. After French troops restored him in 1850, his policies hardened sharply — the 1864 Syllabus of Errors condemned liberalism, secularization, and Enlightenment thought outright. He convoked the First Vatican Council in 1868, which defined the dogma of papal infallibility before adjourning in summer 1870. That September, with French protection withdrawn for the Franco-Prussian War, Italian forces captured Rome and ended the Papal States. He refused to leave Vatican City for the remaining eight years of his life, dying in February 1878 after a pontificate of nearly 32 years.