Decades: 590s - 600s - 610s - 620s - 630s - 640s - 650s - 660s - 670s - 680s - 690s
Years: 640 641 642 643 644 645 646 647 648 649 650
... is seen in the Mahaabhaarata and other epics. Vernacular Sanskrit may have developed into the Prakrits (in which, among other things, early Buddhist texts are written) ...