1657

Millennium:	2nd millennium
Centuries:	16th century – 17th century – 18th century
Decades:	1620s  1630s  1640s  – 1650s –  1660s  1670s  1680s
Years:	1654 1655 1656 – 1657 – 1658 1659 1660

The year 1657 was a common year which started on Monday.

Events

• September 24 – The first autopsy and coroner's jury verdict are recorded in the Colony of Maryland.

Date unknown

• Christiaan Huygens writes the first book to be published on probability theory, De ratiociniis in ludo aleae ("On Reasoning in Games of Chance").