1640s BC

Millennium:	2nd millennium BC
Centuries:	18th century BC 17th century BC 16th century BC
Decades:	1660s BC 1650s BC 1640s BC 1630s BC 1620s BC
Years:	1649 BC 1648 BC 1647 BC 1646 BC 1645 BC 1644 BC 1643 BC 1642 BC 1641 BC 1640 BC
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