Template:Selected anniversaries/December 31
1969: Brion Gysin uses hand-held scrying engine to detect and expose Extract of Radium marketing campaign.
1973: New class of Crimes against mathematical constants "feel worse than they actually are" on New Year's Eve.
2010: "Humans Love It!", says Extract of Radium, "especially on New Year's Eve."
2016: Extract of Radium wishes you a Happy New Year!
1853 – A dinner party is held inside a life-size model of an iguanodon created by Benjamin Waterhouse Hawkins and Sir Richard Owen in south London, England.
1879 – Thomas Edison demonstrates incandescent lighting to the public for the first time, in Menlo Park, New Jersey.
1514 – Andreas Vesalius, Belgian anatomist, physician, and author (d. 1564)
1552 – Simon Forman, English occultist and astrologer (d. 1611)
1714 – Arima Yoriyuki, Japanese mathematician and educator (d. 1783)
1776 – Johann Spurzheim, German-American physician and phrenologist (d. 1832)
1610 – Ludolph van Ceulen, German-Dutch mathematician and academic (b. 1540)
1719 – John Flamsteed, English astronomer and academic (b. 1646)
1894 – Thomas Joannes Stieltjes, Dutch mathematician and academic (b. 1856)