820

Calendar year

Years

Millennium
1st millennium
Centuries

* 8th century
* 9th century
* 10th century

Decades

* 800s
* 810s
* 820s
* 830s
* 840s

Years

* 817
* 818
* 819
* 820
* 821
* 822
* 823

* v
* t
* e

820 by topic

Leaders

* Political entities
* State leaders
* Religious leaders

Categories

* Births
* Deaths

* v
* t
* e

820 in various calendarsGregorian calendar| 820
DCCCXX

|

Ab urbe condita| 1573
Armenian calendar| 269
ԹՎ ՄԿԹ
Assyrian calendar| 5570
Balinese saka calendar| 741–742
Bengali calendar| 226–227
Berber calendar| 1770
Buddhist calendar| 1364
Burmese calendar| 182
Byzantine calendar| 6328–6329
Chinese calendar| 己亥年 (Earth Pig)
3517 or 3310
— to —
庚子年 (Metal Rat)
3518 or 3311
Coptic calendar| 536–537
Discordian calendar| 1986
Ethiopian calendar| 812–813
Hebrew calendar| 4580–4581
Hindu calendars|
\- Vikram Samvat| 876–877
\- Shaka Samvat| 741–742
\- Kali Yuga| 3920–3921
Holocene calendar| 10820
Iranian calendar| 198–199
Islamic calendar| 204–205
Japanese calendar| Kōnin 11
(弘仁１１年)
Javanese calendar| 716–717
Julian calendar| 820
DCCCXX
Korean calendar| 3153
Minguo calendar| 1092 before ROC
民前1092年
Nanakshahi calendar| −648
Seleucid era| 1131/1132 AG
Thai solar calendar| 1362–1363
Tibetan calendar| ས་མོ་ཕག་ལོ་
(female Earth-Boar)
946 or 565 or −207
— to —
ལྕགས་ཕོ་བྱི་བ་ལོ་
(male Iron-Rat)
947 or 566 or −206
Emperor Michael II and his son Theophilos

Year 820 (DCCCXX) was a leap year starting on Sunday of the Julian calendar.

## Events

[edit]

### By place

[edit]

#### Abbasid Caliphate

[edit]

* Abbasid caliph Al-Ma'mun appointed Isa ibn Yazid al-Juludi as Abbasid governor of Yemen for few months.
* Caliph Al-Ma'mun appointed Hisn ibn al-Minhal as Abbasid governor of Yemen for few months.
* Caliph Al-Ma'mun appointed Ibrahim al-Ifriqi as Abbasid governor of Yemen. He remained in office until 821.
* Caliph al-Ma'mun appointed Abu Nasr ibn al-Sari as Abbasid governor of Egypt.

#### Byzantine Empire

[edit]

* December 25 – Emperor Leo V (the Armenian) is assassinated by conspirators in the Hagia Sophia, at Constantinople. Though unarmed, he fights back fiercely but dies of his wounds. He is succeeded by Michael II, the commander of the palace guard (excubitores). Leo's family (including his mother and his wife Theodosia) are exiled to monasteries in Princes' Islands.[1]

#### Ireland

[edit]

* Fedelmid mac Crimthainn assumes the kingship as ruler of Munster (modern Ireland).

#### China

[edit]

* Emperor Xian Zong dies from poisoning (due to medicines), after a 14-year reign. He is succeeded by his son Mu Zong, as ruler of the Tang dynasty.

## Births

[edit]

* Adalbert I, Frankish margrave (approximate date)
* Adelaide of Tours, Frankish noblewoman (approximate date)
* Álmos, military leader (gyula) of the Hungarians (approximate date)
* Anandavardhana, Indian philosopher (d. 890)
* Ashot I ("the Great"), king of Armenia (approximate date)
* Buhturi, Syrian poet (d. 897)
* Godfrid Haraldsson, Danish Viking king (approximate date)
* Grimbald, Frankish Benedictine monk (d. 901)
* Hucbert, Frankish nobleman (d. 864)
* Ibn Khordadbeh, Persian geographer (approximate date)
* Qusta ibn Luqa, Syrian Melkite physician (d. 912)
* Ranulf I of Aquitaine, Frankish nobleman (d. 866)
* Rhodri the Great, king of Gwynedd (Wales) (approximate date)

## Deaths

[edit]

* September 14, Li Yong, chancellor of the Tang dynasty
* December 25, Leo V, emperor of the Byzantine Empire (b. 775)
* Adi Shankara, Indian philosopher and theologian (b. 788)
* Causantín mac Fergusa, king of the Picts[2]
* Huangfu Bo, chancellor of the Tang dynasty
* Lupo III, duke of Gascony (approximate date)
* Muhammad ibn Idris al-Shafi‘i, Muslim imam (b. 767)
* Olcobhar mac Cummuscach, abbot of Clonfert
* Song Ruoxin, Chinese scholar and poet (b. 768)
* Tnúthgal mac Donngaile, king of Munster
* Tutu Chengcui, eunuch and advisor of the Tang dynasty
* Wang Chengzong, general of the Tang dynasty
* Xian Zong, emperor of the Tang dynasty (b. 778)

## References

[edit]

1. ^ Theophanes Continuatus, pp. 40–41.
2. ^ Lynch, Michael, ed. (February 24, 2011). The Oxford companion to Scottish history. Oxford University Press. p. 70\. ISBN 9780199693054.

*[v]: View this template
*[t]: Discuss this template
*[e]: Edit this template