820
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This article is about the year 820. For the number, see 820 (number). For the professional DotA player, see Zou Yitian.
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 790s 800s 810s – 820s – 830s 840s 850s |
| Years: | 817 818 819 – 820 – 821 822 823 |
| 820 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 820 DCCCXX |
| Ab urbe condita | 1573 |
| Armenian calendar | 269 ԹՎ ՄԿԹ |
| Assyrian calendar | 5570 |
| Bahá'í calendar | −1024 – −1023 |
| Bengali calendar | 227 |
| Berber calendar | 1770 |
| English Regnal year | N/A |
| Buddhist calendar | 1364 |
| Burmese calendar | 182 |
| Byzantine calendar | 6328–6329 |
| Chinese calendar | 己亥年 (Earth Pig) 3516 or 3456 — to — 庚子年 (Metal Rat) 3517 or 3457 |
| Coptic calendar | 536–537 |
| Discordian calendar | 1986 |
| Ethiopian calendar | 812–813 |
| Hebrew calendar | 4580–4581 |
| Hindu calendars | |
| - Vikram Samvat | 876–877 |
| - Shaka Samvat | 742–743 |
| - Kali Yuga | 3921–3922 |
| Holocene calendar | 10820 |
| Igbo calendar | −180 – −179 |
| Iranian calendar | 198–199 |
| Islamic calendar | 204–205 |
| Japanese calendar | Kōnin 11 (弘仁１１年) |
| Juche calendar | N/A |
| Julian calendar | 820 DCCCXX |
| Korean calendar | 3153 |
| Minguo calendar | 1092 before ROC 民前1092年 |
| Thai solar calendar | 1363 |
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Wikimedia Commons has media related to 820. |
The eastern hemisphere in 820
Year 820 (DCCCXX) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar.
Events
By place
Asia
- Tahir, the son of a slave, is rewarded with the governorship of Khurasan for supporting the caliphate. He rules independently of Baghdad, not even mentioning the caliph's name in Friday prayers in recognition of caliphal authority.
Byzantine Empire
- Michael II succeeds Leo V as Byzantine Emperor.
Europe
- The Historia Brittonum is written (approximate date).
- Fedelmid mac Crimthainn assumes the kingship of Munster.
By topic
Science and technology
- Muslim mathematician Muḥammad ibn Mūsā al-Ḵwārizmī founds algebra.
Births
- Rhodri Mawr ('the Great'), ruler of Gwynedd (Wales) (approximate date) (d. 878)
- Photius I, Patriarch of Constantinople (approximate date) (d. 891)
Deaths
- December 25 – Leo V, Byzantine Emperor (b. 775) (assassinated)
- Tang Xian Zong, emperor of China (b. 778)
- Adi Shankara, Hindu sage (b. 788).
References
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