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| 8th century | 9th century | 10th century |
| 790s | 800s | 810s | 820s | 830s | 840s | 850 |
◄◄ | | 820 | 821 | 822 | 823 | 824 | 825 | 826 | 827 | 828 | | ►►

Heads of State · Nekrolog

Roman baths and cistern in the ruins of Aptera
The Saracens under Abu Hafs Omar conquer Crete
and destroy the city of Aptera .
824 in other calendars
Armenian calendar 272/273 (turn of the year July)
Ethiopian calendar 816/817
Buddhist calendar 1367/68 (southern Buddhism); 1366/67 (alternative calculation according to Buddhas Parinirvana )
Chinese calendar 58th (59th) cycle

Year of the wood dragon甲辰 ( at the beginning of the year water rabbit 癸卯)

Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam) 186/187 (turn of the year April)
Iranian calendar 202/203 (around March 21)
Islamic calendar 208/209 (May 4th / 5th)
Jewish calendar 4584/85 (August 28-29)
Coptic calendar 540/541
Roman calendar ab urbe condita MDLXXVII (1577)

Diocletian era : 540/541 (New Year November)

Seleucid era Babylon: 1134/35 (turn of the year April)

Syria: 1135/36 (turn of the year October)

Spanish era 862
Vikram Sambat (Nepalese Calendar) 880/881 (turn of the year April)


Politics and world events

Byzantine Empire

British Islands

First documentary mentions


  • May: Eugene II is elected Pope as the successor to Paschal I , who died on February 11th . In the interest of the good relations between Pope and Emperor since Stephen IV , Eugene II immediately announced his election to Emperor Ludwig the Pious , who immediately confirmed him and sent his eldest son Lothar to Italy to help Eugene II in his dispute with the Roman one To assist the population.
  • November 11th : The Constitutio Romana between Lothar and Eugen secures the imperial sovereignty over Rome, the Papal States and the Curia and determines that the election of the Pope should only be made by the clergy and the nobility and that the newly elected Pope should take the oath of allegiance to the emperor before his ordination have. In return, Ludwig the Pious gives the Pope a free hand in questions within the church.
  • 822 -824: Book of fraternities of Reichenau Abbey



Web links

Commons : 824  - Collection of pictures, videos and audio files