An annular solar eclipse will occur on December 26, 2019. http://en.wikipedia.org/wiki/Solar_eclipse_of_December_26,_2019
St. Stephen's Day is celebrated on 26 December in the Western Churchhttps://en.wikipedia.org/wiki/St._Stephen%27s_Day
The 2003 Bam earthquake struck on Friday, December 26, 2003. http://en.wikipedia.org/wiki/2003_Bam_earthquakeAsian Tsunami December 26th 2004
The Sydney to Hobart Yacht Race was founded in 1945http://en.wikipedia.org/wiki/Sydney_to_Hobart_Yacht_Race
A liquid-fuelled Hoopskirt rocket was launched by Robert Hutchings Goddard on December 26, 1928http://airandspace.si.edu/collections/artifact.cfm?object=nasm_A19590090000Salyut 4 (DOS-4) was launched on December 26, 1974http://en.wikipedia.org/wiki/Salyut_4The KA-SAT telecommunications satellite was launched on December 26, 2010http://en.wikipedia.org/wiki/KA-SAT
The Resurs-P No.2 satellite was launched on the 26th December 2014https://en.wikipedia.org/wiki/Resurs-P_No.2
Valeri Yuriyevich (26 December 1952 - 26 November 2014) was a Research Cosmonaut http://www.spacefacts.de/bios/cosmonauts/english/sharov_valeri.htm
John Rackham (26 December 1682 - 18 November 1720) was an English pirate captain http://en.wikipedia.org/wiki/Calico_JackCharles Babbage, FRS (26 December 1791 - 18 October 1871) was an English mathematicianhttp://en.wikipedia.org/wiki/Charles_BabbageGary Alan Wegner (born Seattle, Washington on December 26, 1944) is an American astronomerhttp://en.wikipedia.org/wiki/Gary_A._Wegner
Charles Green (baptised 26 December 1734 - January 29, 1771) was a British astronomerhttp://astronomy.activeboard.com/t61342128/charles-green-1734-1771/Mary Fairfax Somerville (26 December 1780 - 28 November 1872) was a Scottish science writer http://en.wikipedia.org/wiki/Mary_Somerville
The Great Sphinx of Giza was finally excavated in 1925http://en.wikipedia.org/wiki/Great_Sphinx_of_Giza#Restoration
NGC 1796 was discovered by British astronomer John Herschel on the 26th December 1834. http://astronomy.activeboard.com/t56048445/ngc-1796/NGC 2063 was discovered by William Herschel on the 26th December 1783. http://astronomy.activeboard.com/t56048454/ngc-2063/NGC 2251 was discovered by William Herschel on the 26th December 1783. http://astronomy.activeboard.com/t56048462/ngc-2251/NGC 2270 was discovered by William Herschel on the 26th December 1786. http://astronomy.activeboard.com/t56048467/ngc-2270/NGC 2369 was discovered by John Herschel on the 26th December 1834. http://astronomy.activeboard.com/t56048478/ngc-2369/NGC 2459 was discovered by William Herschel on the 26th December 1785. http://astronomy.activeboard.com/t56048492/ngc-2459/The Cone Nebula was discovered by William Herschel on December 26, 1785http://astronomy.activeboard.com/t5188130/ngc2264/
Supernova 2008in was discovered on December 26, 2008 by Koichi Itagakihttp://astronomy.activeboard.com/t23512328/supernova-2008in/
Kepler-70: On December 26, 2011, evidence for two extremely short-period planets was announced. http://en.wikipedia.org/wiki/Kepler-70#Planetary_system
Comet C/1799 Y1 (Mechain) was discovered on the 26 December 1799http://en.wikipedia.org/wiki/Pierre_M%C3%A9chain#DiscoveriesMichal Kusiak discovered SOHO's 1999th and 2000th comets on 26 December 2010http://en.wikipedia.org/wiki/Solar_and_Heliospheric_Observatory
Rendlesham Forest UFO incident: A fireball was seen at 02.50 UT on Boxing Day 1980 http://astronomy.activeboard.com/t52017241/rendlesham-forest-incident/A mega ice meteor landed in Morocco in 2012http://astronomy.activeboard.com/t52039657/hrira-megacryometeor/
MeteoritesThe Pervomaisky (L6) meteorite fell in Vladimirskaya oblast', Russia, on the 26th December, 1933.http://astronomy.activeboard.com/t46945860/pervomaisky-meteorite/The Fayetteville (H4) meteorite fell in Arkansas, USA, on the 26th December, 1934.http://astronomy.activeboard.com/t46945862/fayetteville-meteorite/The Enshi (H5) meteorite fell in Hubei, China, on the 26th December, 1974.http://astronomy.activeboard.com/t46945866/enshi-meteorite/