Claim profile
800–899

The 9th century

Whose working lives fell in the 9th century. Books are measured from 1800 and readers from 2015, so for this period we can say who lived then, not who was talked about then.

Lived then

The most notable people whose working lives fell in the 9th century, ranked where Wikipedia coverage and readership agree.

CountryAll🇯🇵 Japan🇫🇷 France🇮🇹 Italy🇩🇪 Germany🇬🇧 United Kingdom🇪🇬 Egypt🇳🇴 Norway🇪🇸 Spain🇹🇷 Turkey🇨🇳 China
FieldAllHistorical FiguresWritersPoliticiansReligious FiguresAcademicsModelsActorsScientistsDoctorsMusicians
  1. 1Alfred the GreatAlfred the Great849–899 · 🇬🇧 United Kingdom · Historical Figures22 decades
  2. 2Louis the PiousLouis the Pious778–840 · 🇫🇷 France · Historical Figures21 decades
  3. 3Muhammad ibn Musa al-KhwarizmiMuhammad ibn Musa al-Khwarizmi780–850 · Academicsnot measured—
  4. 4Charles the BaldCharles the Bald823–877 · Historical Figures22 decades
  5. 5Harun al-RashidHarun al-Rashid766–809 · Politicians9 decades
  6. 6Muhammad al-BukhariMuhammad al-Bukhari810–870 · Academicsnot measured—
  7. 7Pope FormosusPope Formosus816–896 · 🇮🇹 Italy · Religious Figures1 decades
  8. 8Charles the FatCharles the Fat839–888 · 🇩🇪 Germany · Historical Figures19 decades
  9. 9Pope John VIIIPope John VIII820–882 · 🇮🇹 Italy · Religious Figures9 decades
  10. 10Lothair ILothair I795–855 · 🇩🇪 Germany · Historical Figures0 decades
  11. 11Bai JuyiBai Juyi772–846 · 🇨🇳 China · Writers8 decades
  12. 12Al-KindiAl-Kindi801–870 · Academics7 decades
  13. 13Louis the GermanLouis the German806–876 · Historical Figures20 decades
  14. 14Adi ShankaraAdi Shankara788–820 · 🇮🇳 India · Academics0 decades
  15. 15Ahmad ibn HanbalAhmad ibn Hanbal780–855 · Academics2 decades
  16. 16RolloRollo860–932 · 🇳🇴 Norwaynot measured—
  17. 17RurikRurik830–879 · Historical Figuresnot measured—
  18. 18Robert I of FranceRobert I of France860–923 · 🇫🇷 France · Politicians0 decades
  19. 19Ecgberht, King of WessexEcgberht, King of Wessex771–839 · Historical Figures13 decades
  20. 20Han YuHan Yu768–824 · 🇨🇳 China · Writers7 decades
  21. 21Arnulf of CarinthiaArnulf of Carinthia850–899 · Historical Figures11 decades
  22. 22Al-Shafi‘iAl-Shafi‘i767–820 · Academicsnot measured—
  23. 23Louis the StammererLouis the Stammerer846–879 · Historical Figures6 decades
  24. 24Harald FairhairHarald Fairhair851–933 · 🇳🇴 Norway3 decades
  25. 25Al-TabariAl-Tabari839–922 · Academics2 decades
  26. 26Oleg of NovgorodOleg of Novgorod845–912 · Historical Figures0 decades
  27. 27OdoOdodied 898 · 🇫🇷 France · Historical Figuresnot measured—
  28. 28Pope Stephen VIPope Stephen VIdied 897 · 🇮🇹 Italy · Religious Figures0 decades
  29. 29Louis III of FranceLouis III of France863–882 · 🇫🇷 France · Historical Figures0 decades
  30. 30Abbas ibn FirnasAbbas ibn Firnas810–887 · 🇪🇸 Spain · Scientists0 decades
  31. 31Pope Leo IVPope Leo IV790–855 · 🇮🇹 Italy · Religious Figures5 decades
  32. 32Æthelwulf, King of WessexÆthelwulf, King of Wessex795–858 · 🇩🇪 Germany · Historical Figures1 decades
  33. 33John Scotus EriugenaJohn Scotus Eriugena800–877 · Academics0 decades
  34. 34Al-Ma'munAl-Ma'mun786–833 · Writers0 decades
  35. 35Louis II of ItalyLouis II of Italy825–875 · Historical Figures0 decades
  36. 36EinhardEinhard774–840 · 🇩🇪 Germany · Writers16 decades
  37. 37Pope Paschal IPope Paschal I775–824 · 🇮🇹 Italy · Religious Figures13 decades
  38. 38Carloman IICarloman II866–884 · Politicians0 decades
  39. 39Mansur Al-HallajMansur Al-Hallaj858–922 · Writers0 decades
  40. 40Basil IBasil I811–886 · 🇹🇷 Turkey · Historical Figures10 decades
  41. 41Pope Boniface VIPope Boniface VIdied 896 · 🇮🇹 Italy · Religious Figures0 decades
  42. 42Pope Sergius IIIPope Sergius III860–911 · 🇮🇹 Italy · Religious Figures0 decades
  43. 43Muslim ibn al-HajjajMuslim ibn al-Hajjaj821–875 · Religious Figures0 decades
  44. 44Æthelred I, King of WessexÆthelred I, King of Wessex837–871 · Historical Figures0 decades
  45. 45Fatima al-FihriFatima al-Fihri800–880 · Religious Figures0 decades
  46. 46Berengar I of ItalyBerengar I of Italy840–924 · 🇮🇹 Italy · Politicians0 decades
  47. 47Al-JahizAl-Jahiz775–868 · Writers0 decades
  48. 48Pepin of ItalyPepin of Italy777–810 · Historical Figures0 decades
  49. 49ÁrpádÁrpád845–907not measured—
  50. 50Photios I of ConstantinoplePhotios I of Constantinople827–900 · Writers0 decades
  51. 51Rabanus MaurusRabanus Maurus780–856 · 🇩🇪 Germany · Religious Figures22 decades
  52. 52Carloman of BavariaCarloman of Bavaria830–880 · Historical Figures0 decades
  53. 53Ali al-RidhaAli al-Ridha770–818 · Religious Figures0 decades
  54. 54Pope Leo VPope Leo Vdied 905 · 🇮🇹 Italy · Religious Figures0 decades
  55. 55Pope Nicholas IPope Nicholas I820–867 · 🇮🇹 Italy · Religious Figures0 decades
  56. 56Kenneth MacAlpinKenneth MacAlpin810–858 · 🇬🇧 United Kingdom · Historical Figures0 decades
  57. 57AnsgarAnsgar801–865 · 🇫🇷 France · Religious Figuresnot measured—
  58. 58Michael IIIMichael III840–867 · Historical Figures21 decades
  59. 59Lothair II of LotharingiaLothair II of Lotharingia835–869 · Historical Figures0 decades
  60. 60KūkaiKūkai774–835 · 🇯🇵 Japan · Academics3 decades
  61. 61Pope Adrian IIIPope Adrian IIIdied 885 · 🇮🇹 Italy · Religious Figures0 decades
  62. 62Leo V the ArmenianLeo V the Armenian775–820 · Historical Figures0 decades
  63. 63RudakiRudaki859–941 · Writers5 decades
  64. 64Yuan ZhenYuan Zhen779–831 · Writersnot measured—
  65. 65Pope John XPope John X860–929 · 🇮🇹 Italy · Religious Figures0 decades
  66. 66Sigurd Snake-in-the-EyeSigurd Snake-in-the-Eye801–891not measured—
  67. 67TheophilosTheophilos813–842 · Modelsnot measured—
  68. 68Pepin I of AquitainePepin I of Aquitaine797–838 · Historical Figures0 decades
  69. 69BudaiBudai850–916 · Academicsnot measured—
  70. 70Guy III of SpoletoGuy III of Spoleto855–894 · Politiciansnot measured—
  71. 71ZiryabZiryab777–857 · Writers0 decades
  72. 72Li HeLi He790–816 · Writers6 decades
  73. 73Pope Gregory IVPope Gregory IV795–844 · 🇮🇹 Italy · Religious Figures1 decades
  74. 74Bernard of ItalyBernard of Italy797–818 · Historical Figures0 decades
  75. 75Pope Adrian IIPope Adrian II792–872 · 🇮🇹 Italy · Religious Figures0 decades
  76. 76Æthelbald, King of WessexÆthelbald, King of Wessex835–860 · Historical Figuresnot measured—
  77. 77Louis III the YoungerLouis III the Younger835–882 · Historical Figures0 decades
  78. 78Pepin the HunchbackPepin the Hunchback770–8110 decades
  79. 79Simeon I of BulgariaSimeon I of Bulgaria864–927 · Historical Figures0 decades
  80. 80Al-MutawakkilAl-Mutawakkil822–8610 decades
  81. 81TIThābit ibn Qurra836–901 · Scientists0 decades
  82. 82Michael I RangabeMichael I Rangabe770–844 · Politicians0 decades
  83. 83Pope Benedict IIIPope Benedict III810–858 · 🇮🇹 Italy · Religious Figures0 decades
  84. 84ÆllaÆlla800–867 · Historical Figuresnot measured—
  85. 85Huang ChaoHuang Chao801–884 · Writers6 decades
  86. 86William of GelloneWilliam of Gellonedied 8130 decades
  87. 87Liu YuxiLiu Yuxi772–842 · Writers7 decades
  88. 88Æthelberht, King of WessexÆthelberht, King of Wessex836–865 · Modelsnot measured—
  89. 89Pope Theodore IIPope Theodore II840–897 · 🇮🇹 Italy · Religious Figures0 decades
  90. 90Methodius of ThessalonikiMethodius of Thessaloniki815–885 · Religious Figuresnot measured—
  91. 91Al-TirmidhiAl-Tirmidhi825–892 · Lawyers0 decades
  92. 92Abd ar-Rahman IIAbd ar-Rahman II792–852 · 🇪🇸 Spain · Historical Figures0 decades
  93. 93NominoeNominoe800–851 · 🇫🇷 France · Historical Figures0 decades
  94. 94Hasan al-AskariHasan al-Askari845–874 · Academics0 decades
  95. 95Michael IIMichael II770–829 · 🇹🇷 Turkey17 decades
  96. 96Otto I, Duke of SaxonyOtto I, Duke of Saxony835–912 · 🇩🇪 Germany · Historical Figures22 decades
  97. 97Pope Sergius IIPope Sergius II790–847 · 🇮🇹 Italy · Religious Figures0 decades
  98. 98Al-Mu'tasimAl-Mu'tasim796–8420 decades
  99. 99Boso of ProvenceBoso of Provence844–887 · Historical Figures0 decades
  100. 100Pope RomanusPope Romanusdied 897 · 🇮🇹 Italy · Religious Figures0 decades

How this is measured

  • Placing people in time. Each person belongs to the century in which they were most active — around age 35, and never after their death.
  • Who ranks highest. Within a century, people are ranked where two independent signals agree: how many of the world’s Wikipedia language editions cover them, and how many people actually read about them. Article counts alone can be lifted by a person’s own circle; readers cannot.
  • Fame in print. The curves count how often a name appears in Google Books from 1800 to 2019, as a share of all the words printed each year, in the person’s own language wherever that corpus exists. Those decades are over, so each measurement is made once and kept.
  • What is left out. A lifetime is measured only from 1820, when there is enough print to judge; the five years after a death are skipped as obituaries; and a name shared with someone equally notable is credited to neither.