Who was alive in AD 820?
33 of the people we track were surely alive in AD 820. The best known are listed first, with the age each reached that year; a range such as 17–21 means the birth year itself is uncertain.
Died in AD 820: Al-Shafi'i.
Al-Khwarizmi37–42
Louis the Pious42- Al-Kindi16–21
Muhammad al-Bukhari10
Pope Gregory IV22–27
Al-Shafi'i52 †- Ahmad ibn Hanbal40
- Pope Adrian II27–28
Pope Leo IV27–32
Pope Formosus1–6- Pope Paschal I42–47
- Pope Eugene II37–42
Pope Benedict III7–12
Pope Sergius II27–32
Pope Valentine37–42
Lothair I24–25
John Scotus Eriugena10–20
Louis the German11–16
Al-Ma'mun34
Bai Juyi48- Al-Jahiz45
Ecgberht, King of Wessex48–49
Han Yu51–52
Michael I Rangabe47–52- Leo V the Armenian44–45
- Michael II49–50
Abd ar-Rahman II27–28
Einhard43–48
Kūkai46
Al-Mu'tasim23–24
Rabanus Maurus30–44
Babak Khorramdin22
Alfonso II of Asturias61
Where the people alive in AD 820 were born
Birthplaces as a list
- Louis the Pious: Chasseneuil-du-Poitou
- Al-Kindi: Basra
- Muhammad al-Bukhari: Bukhara
- Pope Gregory IV: Rome
- Al-Shafi'i: Gaza City
- Ahmad ibn Hanbal: Baghdad
- Pope Adrian II: Rome
- Pope Leo IV: Rome
- Pope Formosus: Rome
- Pope Paschal I: Rome
- Pope Eugene II: Rome
- Pope Benedict III: Rome
- Pope Sergius II: Rome
- Pope Valentine: Rome
- Lothair I: Altdorf
- John Scotus Eriugena: Ireland
- Al-Ma'mun: Baghdad
- Bai Juyi: Xinzheng
- Al-Jahiz: Basra
- Ecgberht, King of Wessex: Kingdom of Wessex
- Han Yu: Meng Prefecture
- Michael I Rangabe: Constantinople
- Leo V the Armenian: Ostikanate of Arminiya
- Michael II: Amorium
- Abd ar-Rahman II: Toledo
- Kūkai: Zentsū-ji Temple
- Al-Mu'tasim: Khuld Palace
- Rabanus Maurus: Mainz
- Babak Khorramdin: Ardabil
- Alfonso II of Asturias: Oviedo