Editing 1666 (section)

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* [[Isaac Newton]] uses a prism to split sunlight, as referenced in his alchemical works as [[Divine Light|Lux Dei]], into the component colours of the [[optical spectrum]], assisting the understanding of the scientific nature of [[light]]. He also develops differential [[calculus]] simultaneously with Leibniz. His discoveries this year lead to it being referred to as his ''[[Annus mirabilis#Isaac Newton|Annus mirabilis]]'' or Newton's "Year of the Morning Star".
* [[Jean Talon]] completes a [[1666 census of New France|census of New France]], the first [[census]] in [[North America]].
* Dutch artist [[Johannes Vermeer]] paints ''[[The Art of Painting]]'', his largest and most complex work.
* The first completed printed [[Bible translations into Armenian|Bible translation into Armenian]], ''{{lang|hy|Astuacašunč hnoc' ew noroc' ktakaranac}}'' (''Oskanean Bible''), is published in [[Amsterdam]], edited by Bishop [[Oskan Yerevantsi]].<ref>{{cite web|title=Armenian Bible|url=http://armenianbible.org/|access-date=2016-12-11}}</ref></onlyinclude>