A partial solar eclipse occurred on December 24, 1916. http://adsabs.harvard.edu/full/1915MNRAS..75..687RAnnular Solar Eclipse of 1601 December 24http://eclipse.gsfc.nasa.gov/SEsearch/SEsearchmap.php?Ecl=16011224
Yule or Yuletide ("Yule-time") is a winter festival that was initially celebrated as a pagan religious festivalhttp://astronomy.activeboard.com/t46918191/yule/Nochebuena, ("Good Night"), is a Spanish word referring to the night of Christmas Eve.http://astronomy.activeboard.com/t46918187/nochebuena/
Modraniht was an event held at what is now Christmas Eve by the Anglo-Saxon Paganshttps://en.wikipedia.org/wiki/M%C5%8Ddraniht
The 'Northern Cross' asterism in the constellation Cygnus, with the Milkyway, appears 'upright' in the western evening sky for mid-northern latitudeshttps://en.wikipedia.org/wiki/Northern_Cross_(asterism)
Christmas Island was discovered on 24 December 1777.http://astronomy.activeboard.com/t19213873/christmas-island-bomb/Cyclone Tracy devastated the city of Darwin, Australia in 1974.http://astronomy.activeboard.com/t46918215/cyclone-tracy/
NASA's Deep Space Network was formed on December 24, 1963http://www.jpl.nasa.gov/news/news.php?release=2013-370
The NORAD Tracks Santa program began on December 24, 1955https://en.wikipedia.org/wiki/NORAD_Tracks_Santa
The first launch of Ariane 1 was on 24 December 1979http://astronomy.activeboard.com/t46918222/ariane-1-rocket/CAT-1 was the first artificial Earth satellite launched by ESAhttp://en.wikipedia.org/wiki/CAT-1PAS-22, previously known as AsiaSat 3 and then HGS-1, was launched on 24 December 1997http://en.wikipedia.org/wiki/PAS-22The Meridian 1 satellite was launched on 24 December 2006http://en.wikipedia.org/wiki/Meridian_1
December 24, 1996: "Bion 11" Biological research satellite carried two macaque monkeys,Lalik and Multikhttp://en.wikipedia.org/wiki/Bion_11
Oleg Ivanovich Skripochka (born 24 December 1969) is a Russian cosmonaut. http://en.wikipedia.org/wiki/Oleg_SkripochkaWilliam Hayward Pickering (24 December 1910 - 15 March 2004) was a New Zealand born rocket scientist http://astronomy.activeboard.com/t46918200/william-hayward-pickering-1910-2004/Hendrik Wade Bode (December 24, 1905 - June 21, 1982) was an American engineerhttp://en.wikipedia.org/wiki/Hendrik_Wade_BodeJames Prescott Joule (24 December 1818 - 11 October 1889) was an English physicist and brewerhttp://astronomy.activeboard.com/t46918195/james-prescott-joule-1818-1889/
Anders Johan Lexell (24 December 1740 - 11 December [O.S. 30 November] 1784) was a Finnish-Swedish astronomerhttps://en.wikipedia.org/wiki/Anders_Johan_Lexell
Jean-Louis Pons (24 December 1761 - 14 October 1831) was a French astronomerhttps://en.wikipedia.org/wiki/Jean-Louis_Pons
Nicholas Meyer (born December 24, 1945) is an American screenwriterhttp://memory-alpha.wikia.com/wiki/Nicholas_Meyer
The Rendlesham Forest Incident occurred in late December 1980http://en.wikipedia.org/wiki/Rendlesham_Forest_incident
"Silent Night" was first performed on Christmas Eve 1818 at St Nicholas parish church in Oberndorhttps://en.wikipedia.org/wiki/Silent_Night
Winnie-the-Pooh first appeared by name in the London Evening News on 24 December 1925https://en.wikipedia.org/wiki/Winnie-the-Pooh#/media/File:WP_Evening_News.jpg
NGC 1963 was discovered by John Herschel on the 24th December 1835.http://astronomy.activeboard.com/t56025687/ngc-1963/NGC 2224 was discovered by William Herschel on the 24th December 1786. http://astronomy.activeboard.com/t56025820/ngc-2224/
Michael Maestlin catalogued the Pleiades cluster on 24 December 1579.http://mnras.oxfordjournals.org/content/39/2/146
X-ray emission from NGC 4151 was apparently first detected on December 24, 1970http://astronomy.activeboard.com/t13012706/ngc-4151/
The Earthrise photograph was taken from lunar orbit on December 24, 1968 http://en.wikipedia.org/wiki/Earthrise
Omicron Sagittarii was occulted by Mercury on 24 December 1937http://en.wikipedia.org/wiki/Omicron_Sagittarii