# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/cosimo-i-de-medici-grand-duke-of-tuscany
# Generated: 2026-09-01T00:44:12.740Z

schema: https://schema.org/Person
url: "https://fame.am/person/cosimo-i-de-medici-grand-duke-of-tuscany"
name: "Cosimo I de' Medici, Grand Duke of Tuscany"
slug: "cosimo-i-de-medici-grand-duke-of-tuscany"
description: "He turned a Renaissance duchy into a grand duchy, built the Uffizi to run the state machinery, and conquered Siena to lock down Tuscany under Florentine rule."
tagline: "Duke of Florence"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Agnolo_Bronzino_-_Cosimo_I_de'_Medici_in_armour_-_Google_Art_Project.jpg"
gender: "male"
category:
  name: "Politicians"
  slug: "politicians"
profileType:
  name: "Politician"
  slug: "politician"
birthDate: "1519-06-12"
deathDate: "1574-04-21"
livingStatus: "DECEASED"
scores:
  popularity:           56.36
  momentum:             0.5945839874411304
  historical:           23.47220266666667
  currentAttention:     3.303244374672946
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
tags:
  - name: "Politicians"
    slug: "politicians"
  - name: "Politician"
    slug: "politician"
  - name: "Politics"
    slug: "politics"
  - name: "Founders"
    slug: "founders"
  - name: "Early Modern Era"
    slug: "early-modern-era"
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    title: "Wikidata"
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    title: "كوزيمو الاول"
    type:  "WIKIPEDIA"
  - url: "https://az.wikipedia.org/wiki/I_Kozimo"
    title: "I Kozimo"
    type:  "WIKIPEDIA"
  - url: "https://bg.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B7%D0%B8%D0%BC%D0%BE_I_%D0%B4%D0%B5_%D0%9C%D0%B5%D0%B4%D0%B8%D1%87%D0%B8"
    title: "Козимо I де Медичи"
    type:  "WIKIPEDIA"
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    title: "Cosimo Iañ de' Medici"
    type:  "WIKIPEDIA"
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    title: "Cosme I de Mèdici"
    type:  "WIKIPEDIA"
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    title: "Cosimo I. Medicejský"
    type:  "WIKIPEDIA"
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    title: "Cosimo I. de’ Medici"
    type:  "WIKIPEDIA"
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    title: "Κόζιμο Α΄ των Μεδίκων"
    type:  "WIKIPEDIA"
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    title: "Cosimo I de' Medici"
    type:  "WIKIPEDIA"
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    type:  "WIKIPEDIA"
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    title: "Cosme I de Médici"
    type:  "WIKIPEDIA"
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    title: "Cosimo I"
    type:  "WIKIPEDIA"
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    title: "Cosimo I.a Medici"
    type:  "WIKIPEDIA"
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    title: "Cosimo I de’ Medici"
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    title: "Cosme Ier de Toscane"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%A7%D7%95%D7%96%D7%99%D7%9E%D7%95_%D7%94%D7%A8%D7%90%D7%A9%D7%95%D7%9F_%D7%93%D7%94_%D7%9E%D7%93%D7%99%D7%A6'%D7%99%2C_%D7%94%D7%93%D7%95%D7%9B%D7%A1_%D7%94%D7%92%D7%93%D7%95%D7%9C_%D7%A9%D7%9C_%D7%98%D7%95%D7%A1%D7%A7%D7%A0%D7%94"
    title: "קוזימו הראשון דה מדיצ'י, הדוכס הגדול של טוסקנה"
    type:  "WIKIPEDIA"
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    title: "I. Cosimo de’ Medici"
    type:  "WIKIPEDIA"
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    title: "Cosimo I de' Medici"
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    title: "Cosimo I de' Medici"
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    title: "კოზიმო I მედიჩი"
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    title: "코시모 1세 데 메디치"
    type:  "WIKIPEDIA"
  - url: "https://af.wikipedia.org/wiki/Cosimo_I_de'_Medici"
    title: "Cosimo I de' Medici"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%83%D9%88%D8%B2%D9%8A%D9%85%D9%88_%D8%A7%D9%84%D8%A3%D9%88%D9%84"
    title: "كوزيمو الأول"
    type:  "WIKIPEDIA"

# bio (long form, separated for readability)
bio: |
  Cosimo I de' Medici succeeded his cousin as Duke of Florence in 1537, inheriting a title at eighteen. He built the Uffizi to organize his administration—offices for the apparatus of power. He took Siena by force, consolidating Florence's grip on the region. In 1569 he became the first Grand Duke of Tuscany, elevating the rank and formalizing what he'd already made real. He expanded the Pitti Palace and oversaw most of the Boboli Gardens during his reign. He died on 21 April 1574, having redrawn the map.