Who was alive in 900?

345 well-known people were alive in 900, including Abu Bakr al-Razi, Farabi, Benedict V. Here are the 80 most notable:

Abu Bakr al-Razi (866–925) — Persian polymath, physician, chemist and philosopher (854-925)
Farabi (870–951) — 10th century Persian philosopher and jurist
Benedict V (900–965) — pope
Sergius III (860–911) — pope (860-911)
Leo VI (880–928) — pope
John X (860–929) — 10th-century pope
John IX (840–900) — pope
Lando (900–914) — Pope from 913 to 914
Benedict IV (900–903) — pope
Æthelstan (895–939) — King of Wessex and first king of England (r. 924-939)
Marinus II (900–946) — pope
Rudaki (859–941) — Persian poet, the father of Persian poetry
Al-Mas'udi (896–957) — 10th-century Arab historian, geographer, and traveller
Agapetus II (900–955) — Catholic pope, 946-955
Muhammad ibn Jarir al-Tabari (839–922) — Iranian scholar, historian and commentator on the Qur'an (839–923)
Henry I the Fowler (876–936) — King of East Francia (919–936); Duke of Saxony (912–936)
Charles the Simple (879–929) — King of West Francia
Oleg the Wise (845–912) — prince of Kiev
Olga of Kiev (890–969) — princess of Kiev, Orthodox saint (c. 890–925)
Mansur Al-Hallaj (858–922) — Persian mystic, poet and Sufi teacher (c.858–922)
Leo VI the Wise (866–912) — Byzantine Emperor
Robert I of France (860–923) — King of West Francia from 922 to 923
Edward the Elder (874–924) — king of the Anglo-Saxons (r. 899–924)
Simeon I of Bulgaria (863–927) — Bulgarian Tsar who ruled from 893 to 927
Abd-ar-Rahman III (891–961) — final Emir of Córdoba (r. 912–929); founder and 1st Caliph of Córdoba (r. 929–961)
Al-Battani (858–930) — Islamic astronomer and mathematician (died 929)
Igor of Kiev (878–945) — prince of Kiev (877–945)
Photios I of Constantinople (820–900) — 9th Century Ecumenical Patriarch of Constantinople
Ahmad ibn Fadlan (879–) — 10th-century Arab traveller and ethnographer
Rollo (860–932) — 10th-century Viking and Count of Rouen
Árpád (845–907) — Grand Prince of the Hungarians
Harald Fairhair (851–933) — King of Norway
Romanos I Lekapenos (870–948) — Byzantine emperor from 919/920 to 944
Ingólfr Arnarson (848–910) — Viking settler of Iceland
Thābit ibn Qurra (836–901) — Mesopotamian astronomer and mathematician
Abu al-Hasan al-Ash'ari (873–935) — Muslim theologian (874–936)
Conrad I of Germany (881–918) — king of East Francia
Rudolph of France (890–936) — king of France (890-936)
Berengar I of Italy (840–924) — Holy Roman Emperor from 915 to 924
Louis the Child (893–911) — King of East Francia and Lotharingia
Alexander (872–913) — Byzantine emperor from 912 to 913
Malcolm I of Scotland (897–954) — Scottish king
Eric Bloodaxe (895–954) — 10th-century Norwegian ruler
Alfonso III of Asturias (852–910) — Spanish King
Muhammad al-Mahdi (869–) — twelfth and last Imam in Shia Twelver of Islam
Abu al-Faraj al-Isfahani (897–967) — Arab historian, writer, poet and musicologist (897–967)
Boris I of Bulgaria (827–907) — Bulgarian ruler
Donald II of Scotland (862–900) — King of Scotland
Ælfweard of Wessex (900–924) — West Saxon monarch
Clement of Ohrid (840–916) — medieval Bulgarian scholar
al-Yaʿqubi (801–905) — 9th-century Arab geographer and historian
Ibn Khordadbeh (820–912) — Persian geographer and official (died 913)
Gorm the Old (877–958) — King of Denmark
Al-Muqtadir (895–932) — The eighteenth Abbasid Caliph
Ivar Ragnarsson (900–) — King of Jorvik
Al-Mu'tadid (854–902) — 16th Abbasid Caliph from 892 to 902
Louis the Blind (880–928) — Holy Roman Emperor from 901 to 905
Saadia Gaon (882–942) — rabbi, translator, Jewish philosopher and theologian (0882-0942) active during the Abbasid Caliphate in Egypt and Irak
Budai (850–916) — figure in Buddhist and East Asian religious traditions
Æthelflæd (870–918) — Mercian monarch
Taejo of Goryeo (877–943) — founder of the Goryeo Dynasty (877-943)
Ono no Komachi (825–900) — Japanese poet
Uda (867–931) — Japanese emperor
Hugh the Great (898–956) — Duke of the Franks and Count of Paris (c. 898–956)
Yōzei (869–949) — Emperor of Japan
Giric (890–900) — Pictish king
Berengar II of Italy (900–966) — King of Italy from 950 to 961
Al-Nasa'i (829–915) — Persian Islamic scholar and collector of hadith (c.829–915)
Robert the Strong (866–900) — Frankish noble
Eochaid, son of Rhun (889–900) — King of Strathclyde; and/or King of the Picts
Al-Qahir (899–950) — The nineteenth Abbasid Caliph
Ismail Samani (849–907) — Amir of the Samanid Empire from 892 to 907
Ordoño II of León (871–924) — King of Galicia and then Leon (c.873–924)
Abdullah al-Mahdi Billah (873–934) — Isma'ili Imam and Fatimid Caliph from 909 to 934
Daigo (885–930) — 60th emperor of Japan
Marozia (892–936) — Italian queen
Abdullah ibn Muhammad al-Umawi (844–912) — Emir of Córdoba from 888 to 912
Sugawara no Michizane (845–903) — Japanese poet
Abu Mansur al-Maturidi (852–944) — Persian Muslim theologian (853–944)
Christopher (900–904) — illegitimate ruler of the Catholic Church from 903 to 904

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