The 820s decade ran from January 1, 820, to December 31, 829.

Millennium: 1st millennium
Centuries:
Decades:
Years:
Categories:

EventsEdit

820

By placeEdit

Byzantine EmpireEdit
IrelandEdit
ChinaEdit

821Edit

By placeEdit

Byzantine EmpireEdit
EuropeEdit
BritainEdit
Abbasid CaliphateEdit

822Edit

By placeEdit

Byzantine EmpireEdit
EuropeEdit
BritainEdit
Al-AndalusEdit
AsiaEdit
AmericasEdit

By topicEdit

ReligionEdit

823Edit

By placeEdit

Byzantine EmpireEdit
EuropeEdit
BritainEdit
JapanEdit

824Edit

By placeEdit

EuropeEdit
BritainEdit
JapanEdit

By topicEdit

ReligionEdit

825Edit

By placeEdit

IndiaEdit
  • A group of Persio-Assyrian adherents of the Church of the East, under the leadership of two Persian bishops Prod (or Proth, also known as Aphroth) and Sappor (also known as Sabrisho), reach Kerala, India and reside in Quilon.
EuropeEdit
BritainEdit

By topicEdit

ReligionEdit

826Edit

By placeEdit

BritainEdit
Byzantine EmpireEdit
EuropeEdit

By topicEdit

ReligionEdit

827Edit

By placeEdit

Byzantine EmpireEdit
EuropeEdit
BritainEdit
ChinaEdit

By topicEdit

ReligionEdit
ScienceEdit
AgricultureEdit

828Edit

By placeEdit

Byzantine EmpireEdit
EuropeEdit
ChinaEdit
North AmericaEdit

By topicEdit

ReligionEdit

829Edit

By placeEdit

Byzantine EmpireEdit
EuropeEdit
BritainEdit
EgyptEdit
ChinaEdit

By topicEdit

ReligionEdit

Significant peopleEdit

BirthsEdit

820

821

822

823

824

825

826

827

828

829

DeathsEdit

820

821

822

823

824

825

826

827

828

829


ReferencesEdit

  1. ^ Theophanes Continuatus, pp. 40–41.
  2. ^ Mladjov, Ian. "Croatian Rulers" (PDF). Retrieved 2011-05-21.[permanent dead link]
  3. ^ 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). London: Macmillan and Company. pp. 101–102. OCLC 458995052. CS1 maint: discouraged parameter (link)
  4. ^ Lemerle, Paul (1965). "Thomas le Slave". Travaux et mémoires 1 (in French). Paris: Centre de recherche d'histoire et civilisation de Byzance. pp. 279–281, 291. OCLC 457007063. CS1 maint: discouraged parameter (link)
  5. ^ Treadgold, Warren (1988). The Byzantine Revival, 780–842. Stanford, California: Stanford University Press. p. 240. ISBN 978-0-8047-1462-4.
  6. ^ McKitterick, Rosamond, The New Cambridge History, 700-900.
  7. ^ 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). London: Macmillan and Company. pp. 105–106. OCLC 458995052. CS1 maint: discouraged parameter (link)
  8. ^ Treadgold, Warren (1988). The Byzantine Revival, 780–842. Stanford, California: Stanford University Press. pp. 241–242. ISBN 978-0-8047-1462-4.
  9. ^ Stenton, Anglo-Saxon England, p. 231.
  10. ^ "Brief history of Sicily" (PDF). Archaeology.Stanford.edu. 7 October 2007.[permanent dead link]
  11. ^ Peter Sammartino and William Roberts, Sicily: An Informal History, p. 43.
  12. ^ Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; p. 23.
  13. ^ John V.A. Fine, Jr. (1991). The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century, p. 107. ISBN 978-0-472-08149-3.
  14. ^ Rolland, Jacques L.; Sherman, Carol (2006). The Food Encyclopedia. Toronto: Robert Rose. pp. 335–338. ISBN 978-0-778-80150-4.
  15. ^ Treadgold (1988), pp. 253–254.
  16. ^ Vasiliev (1935), pp. 83–84.
  17. ^ Rucquoi, Adeline (1993). Histoire médiévale de la Péninsule ibérique. Paris: Seuil. p. 86. ISBN 2-02-012935-3.
  18. ^ Donald M. Nicol, Byzantium and Venice: A study in diplomatic and cultural relations (Cambridge: University Press, 1988), p. 24.
  19. ^ Klein, "Adalram".
  20. ^ Timothy E. Gregory, A History of Byzantium, (Blackwell Publishing Ltd, 2010), p. 227.
  21. ^ Treadgold, Warren (1988). The Byzantine Revival, 780–842, Stanford University Press, p. 268. ISBN 0-8047-1462-2.
  22. ^ Lamb, H. H. (1977) Climate: Present, Past and Future: Climatic History and the Future Vol 2, Methuen and Co. Ltd., London.
  23. ^ "Charles II | Holy Roman emperor". Encyclopedia Britannica. Retrieved 27 November 2020.
  24. ^ Lynch, Michael (ed.). The Oxford companion to Scottish history. Oxford University Press. p. 70. ISBN 9780199693054.
  25. ^ Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; p. 28.