640s

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Millennia: 1st millennium
Centuries: 6th century - 7th century - 8th century
Decades: 610s 620s 630s - 640s - 650s 660s 670s
Years: 640 641 642 643 644
645 646 647 648 649
Categories: Births - Deaths - Architecture
Establishments - Disestablishments

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