640s
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Template:Decadebox The 640s decade ran from January 1, 640, to December 31, 649.
Template:Events by year for decade
Template:Births and deaths by year for decade
References
[edit | edit source]Sources
[edit | edit source]- Bede. "Book III". Ecclesiastical History of the English People. Internet History Sourcebooks Project.
- Graff, David (2002). Medieval Chinese Warfare 300–900. London: Routledge. pp. 197–198. ISBN 0-415-23955-9. Retrieved 2016-11-03.
- Kirby, D. P. (2000). The Earliest English Kings (revised ed.). Routledge. ISBN 0-415-24211-8.
- Muir, William (1898). The Caliphate: Its Rise, Decline, and Fall, from Original Sources (3rd ed.). London: Smith, Elder.