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Milenii: Mileniul I î.Hr. - Mileniul I - Mileniul al II-lea
Secole: Secolul al VI-lea - Secolul al VII-lea - Secolul al VIII-lea
Decenii: Anii 590 Anii 600 Anii 610 Anii 620 Anii 630 - Anii 640 - Anii 650 Anii 660 Anii 670 Anii 680 Anii 690
Ani: 635 636 637 638 639 - 640 - 641 642 643 644 645
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