From Wikipedia, the free encyclopedia
This article is about the year 811. For the number, see 811 (number). For the telephone N11 code, see 8-1-1.
|Centuries:||8th century – 9th century – 10th century|
|Decades:||780s 790s 800s – 810s – 820s 830s 840s|
|Years:||808 809 810 – 811 – 812 813 814|
|811 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1564|
|Bahá'í calendar||−1033 – −1032|
|English Regnal year||N/A|
|Chinese calendar||庚寅年 (Metal Tiger)
3507 or 3447
— to —
辛卯年 (Metal Rabbit)
3508 or 3448
|- Vikram Samvat||867–868|
|- Shaka Samvat||733–734|
|- Kali Yuga||3912–3913|
|Igbo calendar||−189 – −188|
|Japanese calendar||Kōnin 2
|Minguo calendar||1101 before ROC
|Thai solar calendar||1354|
|Wikimedia Commons has media related to 811.|
- January: Caliph al-Amin appoints Ali ibn Isa ibn Mahan as governor of Khurasan, and sends him with an army against his brother al-Ma'mun, thereby beginning the Abbasid Civil War or Fourth Fitna.
- July 26 – Battle of Pliska: Nikephoros I is defeated and killed by the Bulgar khan Krum, and is succeeded by Stauracius as Byzantine emperor.
- October 1 – Michael I Rangabe is declared Byzantine emperor; Stauracius retires to a monastery.
- July 24 – Gao Ying, Tang Dynasty official (b. 740)
- July 26 – Nikephoros I, Byzantine emperor (in battle)
- December 1 – Charles the Younger, King of the Franks (b. c.772)