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820s

From Wikipedia, the free encyclopedia

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

Events

820

By place

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Abbasid Caliphate
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Byzantine Empire
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Ireland
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China
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821

By place

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Byzantine Empire
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Europe
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Britain
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Abbasid Caliphate
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822

By place

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Byzantine Empire
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Europe
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Britain
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Al-Andalus
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Asia
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Central America
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By topic

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Religion
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823

By place

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Byzantine Empire
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Europe
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Britain
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Japan
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824

By date

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By place

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Europe
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Britain
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Japan
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By topic

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Religion
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825

By place

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India
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  • 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.
  • August - This year, on the first day of Chingam month, Kerala’s Kollam Era ( Malayalam Era/Calendar, also known as Kollavarsham) commenced.
Europe
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Britain
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By topic

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Religion
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826

By place

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Britain
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Byzantine Empire
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Europe
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By topic

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Religion
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827

By place

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Byzantine Empire
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Europe
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Britain
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China
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By topic

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Religion
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Science
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Agriculture
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828

By place

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Byzantine Empire
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Europe
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China
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North America
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By topic

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Religion
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829

By place

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Byzantine Empire
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Europe
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Britain
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Egypt
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China
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By topic

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Religion
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Significant people

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Births

820

821

822

823

824

825

826

827

828

829

Deaths

820

821

822

823

824

825

826

827

828

829

References

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  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.
  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.
  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.
  8. ^ Treadgold, Warren (1988). The Byzantine Revival, 780–842. Stanford, California: Stanford University Press. pp. 241–242. ISBN 978-0-8047-1462-4.
  9. ^ Nussbaum, Louis-Frédéric. (2005). "Tenchō" in Japan Encyclopedia, p. 958, p. 958, at Google Books; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File Archived 2012-05-24 at archive.today.
  10. ^ O'Brien, Richard P. (2000). Lives of the Popes. New York: Harper Collins. pp. 132-133. ISBN 0-06-065304-3.
  11. ^ John N.D. Kelly, Gran Dizionario Illustrato dei Papi, p. 272
  12. ^ Zizhi Tongjian, vol. 243.
  13. ^ Treadgold, Warren T. (1988). The Byzantine Revival, 780–842. Stanford, California: Stanford University Press. p. 242. ISBN 0-8047-1462-2.
  14. ^ Wickham, Chris. Early Medieval Italy: Central Power and Local Society 400-1000. MacMillan Press: 1981
  15. ^ .Bury, J. B. (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. pp. 104–105. OCLC 458995052.
  16. ^ Warren Treadgold, The Byzantine Revival, 780–842 (Stanford University Press, 1988, p. 242. ISBN 978-0-8047-1462-4.
  17. ^ ""Brusher, S.J., Joseph. "Eugene II - the Reformer", Popes Through the Ages".
  18. ^ Kennedy, Hugh (2018). "The Origins of the Aghlabids". In Anderson, Glaire D.; Fenwick, Corisande; Rosser-Owen, Mariam (eds.). The Aghlabids and Their Neighbors: Art and Material Culture in Ninth-Century North Africa. Brill. p. 47. ISBN 978-90-04-35566-8.
  19. ^ Marios Costambeys, Power and Patronage in Early Medieval Italy (Cambridge: 2007), 342–343.
  20. ^ "Ireland's History in Maps (800 AD)". Dennis Walsh. Archived from the original on 9 July 2014. Retrieved on 26 July 2017.
  21. ^ Stenton, Anglo-Saxon England, p. 231.
  22. ^ "Brief history of Sicily" (PDF). Archaeology.Stanford.edu. 7 October 2007. Archived (PDF) from the original on 2022-10-09.[permanent dead link]
  23. ^ Peter Sammartino and William Roberts, Sicily: An Informal History, p. 43.
  24. ^ Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; p. 23.
  25. ^ 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.
  26. ^ Rolland, Jacques L.; Sherman, Carol (2006). The Food Encyclopedia. Toronto: Robert Rose. pp. 335–338. ISBN 978-0-778-80150-4.
  27. ^ Treadgold (1988), pp. 253–254.
  28. ^ Vasiliev (1935), pp. 83–84.
  29. ^ Rucquoi, Adeline (1993). Histoire médiévale de la Péninsule ibérique. Paris: Seuil. p. 86. ISBN 2-02-012935-3.
  30. ^ Donald M. Nicol, Byzantium and Venice: A study in diplomatic and cultural relations (Cambridge: University Press, 1988), p. 24.
  31. ^ Klein, "Adalram".
  32. ^ Timothy E. Gregory, A History of Byzantium, (Blackwell Publishing Ltd, 2010), p. 227.
  33. ^ Treadgold, Warren (1988). The Byzantine Revival, 780–842, Stanford University Press, p. 268. ISBN 0-8047-1462-2.
  34. ^ Lamb, H. H. (1977) Climate: Present, Past and Future: Climatic History and the Future Vol 2, Methuen and Co. Ltd., London.
  35. ^ "Charles II | Holy Roman emperor". Encyclopedia Britannica. Retrieved 27 November 2020.
  36. ^ Lynch, Michael, ed. (February 24, 2011). The Oxford companion to Scottish history. Oxford University Press. p. 70. ISBN 9780199693054.
  37. ^ Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; p. 28.