Who was alive in 800?

296 well-known people were alive in 800, including Charlemagne, Muḥammad ibn Musa al-Khwarizmi, Abu Nuwas. Here are the 80 most notable:

Charlemagne (742–814) — king of Franks, regarded as the first Holy Roman Emperor (747–814) (742-814)
Muḥammad ibn Musa al-Khwarizmi (780–850) — 9th-century Persian mathematician and astronomer
Abu Nuwas (756–814) — 8th-century classical Arabic poet
Harun al-Rashid (766–809) — 5th Abbasid caliph (r. 786–809)
Jabir ibn Hayyan (721–815) — 8th-century Islamic alchemist and author
Ādi Shankara (788–820) — An Indian philosopher and theologian who consolidated the doctrine of Advaita Vedanta and revitalized Sanskrit scholasticism.
Leo III (750–816) — Pope of the Catholic Church from 795 to 816 (born 750–816)
Louis the Pious (778–840) — King of the Franks
Gregory IV (795–844) — Pope and bishop of Rome from 827 to 844
Adrian II (792–872) — pope
Leo IV (790–855) — pope of the Catholic Church
Al-Shafi'i (767–820) — Arab Muslim theologian, writer and scholar (767–820)
Paschal I (775–824) — pope
Eugene II (780–827) — pope
Ahmad ibn Hanbal (780–855) — Muslim jurist and theologian (780–855)
Stephen IV (770–817) — pope
Sergius II (790–847) — pope
Valentine (780–827) — pope
Lothair I (795–855) — Emperor of the Carolingian Empire from 817 to 855
Rabia of Basri (710–801) — Iraqi sufi and poet
Alcuin (740–804) — 8th-century Northumbrian scholar, clergyman, poet, and teacher
Irene of Athens (752–803) — empress of Byzantine Empire (752-803)
Johannes Scotus Eriugena (800–877) — Irish Catholic philosopher and theologian (c. 800 – c. 877)
al-Maʾmun (786–833) — Abbasid caliph (786–833, r. 813–833)
Nikephoros I (750–811) — Byzantine emperor
Bai Juyi (772–846) — Chinese poet of the Tang Dynasty (772-846)
Al-Jahiz (775–868) — Arabic writer (776–869)
Ecgberht (771–839) — King of Wessex
Han Yu (768–824) — Chinese historian, poet, philosopher and politician (768–824)
Ali al-Rida (770–818) — eighth of the Twelve Shia Imams (766–818)
Michael I Rangabe (770–844) — Byzantine emperor
Leo V the Armenian (775–821) — Byzantine emperor (lived 775–820)
Michael II (770–829) — Byzantine emperor
Stauracius (775–812) — Byzantine emperor (775-812)
Theodosios III (700–800) — Byzantine Emperor
Abd ar-Rahman II (792–852) — Emir of Cordoba from 822 to 852
Krum (755–814) — Bulgarian ruler
Einhard (774–840) — Frankish scholar and courtier (c. 775 – 840)
Al-Mu'tasim (796–842) — 8th Abbasid Caliph. (r. 833–842)
Offa of Mercia (796–800) — King of Mercia
Kūkai (774–835) — Japanese Buddhist monk and calligrapher, the founder of the Shingon school (774–835)
Theophanes the Confessor (759–817) — Byzantine aristocrat, monk and historian (c.758/60–c.817/8)
Babak Khorramdin (798–838) — 9th-century Iranian revolutionary leader
Rabanus Maurus (780–856) — archbishop of Mainz and writer (d. 856)
Al-Amin (787–813) — 6th Abbasid caliph (r. 809–813)
Pepin of Italy (777–810) — son of Charlemagne and King of the Lombards
Fatima al-Fihriya (800–880) — Legendary founder of the al-Qarawiyyin mosque
Emperor Kanmu (737–806) — Emperor of Japan
Nikephoros I of Constantinople (750–828) — patriarch of Constantinople
Widukind (755–807) — Duke of Saxony
Alfonso II of Asturias (759–842) — King of Galicia (c. 760 – 842)
Theodore the Studite (759–826) — Byzantine saint
Al-Hakam I (771–822) — Emir of Córdoba from 796 to 822
Abu Ma'shar al-Balkhi (787–886) — Persian astrologer and philosopher (787–886)
Liu Zongyuan (773–819) — Chinese writer (773-819)
Emperor Saga (786–842) — Emperor of Japan
Georgios Syncellus (800–810) — 9th century Byzantine historian, philosopher and writer
Ibn al-Muqaffa' (724–) — 8th-century Persian author and translator
Dhu'l-Nun al-Misri (796–860) — Sufi saint
Bernard of Italy (797–818) — Illegitimate son of Pepin of Italy
Pepin I of Aquitaine (797–838) — 9th-century Frankish king
Ziryab (777–857) — 9th-century poet and musician
Ramiro I of Asturias (791–850) — King of Asturias
Thomas the Slav (800–823) — Byzantine military commander (c. 760–823)
Emperor Heizei (774–824) — Emperor of Japan
Beorhtric (800–802) — King of Wessex (r. 786-802)
Pepin the Hunchback (770–811) — Frankish prince, son of Charlemagne
Emperor Junna (786–840) — Emperor of Japan
Nennius (800–900) — Welsh monk and historian
Philip (800–) — Italian priest, antipope in 768
Silo of Asturias (783–800) — King of Galicia
Ratchis (750–800) — Duke of Friuli (739–744) and then King of the Lombards (744–749).
Yuan Zhen (779–831) — Chinese poet
Methodios I of Constantinople (788–847) — Patriarch of Constantinople
Jayavaraman II (800–900) — 9th-century king of Cambodia
Abu-l-'Atahiya (748–826) — Arab poet of the Abbasid period (c.748-c.828)
Inigo Arista (771–) — king of Pamplona
Charles the Younger (772–811) — second son of Charlemagne
Judith of Bavaria (797–843) — Carolingian empress and queen of the Franks
Tarasios of Constantinople (730–806) — Patriarch of Constantinople

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