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640

Calendar year

Year 640 (DCXL) was a leap year starting on Saturday of the Julian calendar. The denomination 640 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

01Events

By place

Europe

Britain

Africa

Asia

By topic

Religion

Economy

  • A surge in atmospheric lead in ice core drilled in the Colle Gnifetti Glacier in the Swiss Alps signals an increase in silver mining because of economic recovery, after natural disasters in 530s and 540s.
Emperor Taizong's campaign against the Western Regions
Emperor Taizong's campaign against the Western Regions

02Births

03Deaths

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Sources and credits

This article is adapted from the Wikipedia article 640, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

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