822
Encyclopedia
Year 822 was a common year starting on Wednesday
(link will display the full calendar) of the Julian calendar
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Common year starting on Wednesday
This is the calendar for any common year starting on Wednesday, January 1 . Examples: Gregorian years 1986, 1997, 2003, 2014 and 2025or Julian year 1903 ....
(link will display the full calendar) of the Julian calendar
Julian calendar
The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...
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Byzantine Empire
- The civil war between Byzantine Emperor Michael IIMichael IIMichael II , surnamed the Amorian or the Stammerer , reigned as Byzantine emperor from December 820 to his death on 2 October 829, and the first ruler of the Phrygian or Amorian dynasty....
and the general Thomas the SlavThomas the SlavThomas the Slav was a 9th-century Byzantine military commander, most notable for leading a wide-scale revolt against Emperor Michael II the Amorian in 820–823....
continues. Thomas unsuccessfully attacks Constantinople, while his fleet is destroyed by Michael's navy using Greek fireGreek fireGreek fire was an incendiary weapon used by the Byzantine Empire. The Byzantines typically used it in naval battles to great effect as it could continue burning while floating on water....
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Deaths
- Tahir ibn HusaynTahir ibn HusaynTahir ibn Husayn was a general and governor during the Abbasid caliphate. Specifically, he served under al-Ma'mun and led the armies that would defeat al-Amin, making al-Ma'mun the caliph...
, founder of the Persian Tahirid dynastyTahirid dynastyThe Tahirid Dynasty, was a Persian dynasty that governed from 820 to 872 over the northeastern part of Greater Iran, in the region of Khorasan . The dynasty was founded by Tahir ibn Husayn, a leading general in the service of the Abbasid caliph al-Ma'mun... - Gim Heon-chang, Silla aristocrat and rebel leader