620s

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Salisbury Crags (left) and Arthur's Seat (right) in Edinburgh, Scotland (supposedly founded in 626)

The 620s decade ran from January 1, 620, to December 31, 629.

References

Sources

• Bede. "Book II". Ecclesiastical History of the English People. Internet History Sourcebooks Project. Archived from the original on 2011-05-13. Retrieved 2021-07-03.
• Christian, David (1999). A History of Russia, Mongolia and Central Asia. Malden, MA: Blackwell. ISBN 978-0-631-20814-3.
• Template:The Early Medieval Balkans
• Kaegi, Walter E. (2003). Heraclius: emperor of Byzantium. Cambridge University Press. ISBN 0-521-81459-6.
• Sima Guang (1086). Zizhi Tongjian (資治通鑑) [Comprehensive Mirror for Aid in Government] (in Chinese).