840s
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Template:Short description Lua error in package.lua at line 80: module 'Module:Sidebar/configuration' not found. The 840s decade ran from January 1, 840, to December 31, 849.
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Significant people
- Al-Mu'tasim
- Al-Wathiq
- Alfred the Great
- Louis the Pious
- Charles the Bald
- Ermentrude of Orléans
- Louis the Stammerer
- Louis the German
- Lothair I
- Kenneth I of Scotland
- Ragnar Lodbrok
- Michael III
Template:Births and deaths by year for decade
References
Citation
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Bibliography
- Template:Byzance et les Arabes
- Template:The Byzantine Revival, 780–842
- Template:EI2
- Page Module:Citation/CS1/styles.css has no content.Jones, Gwyn (2001). A History of the Vikings. Oxford University. ISBN 978-0-19-280134-0.
- Page Module:Citation/CS1/styles.css has no content.Kennedy, Hugh (2006). When Baghdad Ruled the Muslim World: The Rise and Fall of Islam's Greatest Dynasty. Cambridge, MA: Da Capo Press. ISBN 978-0-306814808.
- Page Module:Citation/CS1/styles.css has no content.Sawyer, PH (2001). Illustrated History of the Vikings. Oxford University. ISBN 978-0-19-285434-6.
- Page Module:Citation/CS1/styles.css has no content.Toynbee, Arnold (1973). Constantine Porphyrogenitus and His World. London and New York: Oxford University Press. ISBN 0-19-215253-X.
- Page Module:Citation/CS1/styles.css has no content.Goldberg, Eric J. (2006). Struggle for Empire: Kingship and Conflict under Louis the German, 817-876. Ithaca, NY: Cornell University Press. ISBN 9780801438905.