822

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title: "822" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["822"] description: "Calendar year" topic_path: "general/822" source: "https://en.wikipedia.org/wiki/822" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Calendar year ::

::callout[type=note] 822 ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/9/92/Louis_the_Pious.jpg" caption="Attigny"] ::

NOTOC Year 822 (DCCCXXII) was a common year starting on Wednesday of the Julian calendar.

Events

By place

Byzantine Empire

• Byzantine general and usurper Thomas the Slav continues his revolt against Emperor Michael II. He unsuccessfully besieges Constantinople, while his fleet is destroyed by Michael's fleet, using Greek fire.
• Battle of Kedouktos (near Heraclea): Khan Omurtag of Bulgaria sends a relief army, and defeats the Byzantine rebels.

Europe

• Emperor Louis I performs public penance for causing his nephew Bernard's death 4 years earlier, at his palace of Attigny (Ardennes), before Pope Paschal I, and the Frankish nobles (this to restore harmony and re-establish his authority).
• The earliest known mention of the Serbs, in Einhard's Royal Frankish Annals.

Britain

• King Ceolwulf I of Mercia invades Powys (Wales), but is beaten back by King Cyngen. However, Ceolwulf does destroy the fortress of Deganwy, and later takes the kingdom under his control (approximate date).

Al-Andalus

• Al-Hakam I, Umayyad emir of Córdoba, dies after a 26-year reign. He is succeeded by his son Abd al-Rahman II, who begins a military campaign against King Alfonso II of Asturias in Al-Andalus (modern Spain).

Asia

• Kim Hŏn-ch'ang launches a short-lived rebellion in Silla, which gains control over much of the southern and western Korean Peninsula.

Central America

• February 6 – Ukit Took becomes the last ruler (ajaw) of the Mayan city-state Copán (modern Guatemala). After his death in 830, the kingdom is wiped out, most likely from an epidemic.

By topic

Religion

• Rabanus Maurus, a Frankish Benedictine monk, becomes abbot of Fulda, after the death of Eigil.

Births

• Al-Mutawakkil, Muslim caliph (d. 861)
• Ibn Abi Asim, Muslim Sunni scholar (or 821)
• Minamoto no Tōru, Japanese poet (d. 895)
• Xuefeng Yicun, Chinese Chan master (d. 908)

Deaths

• June 26 – Saichō, Japanese Buddhist monk (b. 767)
• Al-Hakam I, Muslim emir of Córdoba (b. 771)
• Al-Waqidi, Muslim historian and biographer
• Denebeorht, bishop of Worcester
• Eigil of Fulda, Bavarian abbot
• Gregory Pterotos, Byzantine general (strategos)
• Kim Hŏn-ch'ang, Silla aristocrat and rebel leader
• Li Yijian, chancellor of the Tang Dynasty (b. 756)
• Tahir ibn Husayn, founder of the Tahirid Dynasty
• Tian Bu, general of the Tang Dynasty (b. 785)
• Winiges, duke of Spoleto (Italy)

References

References

1. Bury, John Bagnell. (1912). "A History of the Eastern Roman Empire from the Fall of Irene to the Accession of Basil I (A.D. 802–867)". Macmillan and Company.
2. Lemerle, Paul. (1965). "Travaux et mémoires 1". Centre de recherche d'histoire et civilisation de Byzance.
3. {{The Byzantine Revival, 780–842
4. McKitterick, Rosamond, ''The New Cambridge History'', 700-900.

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