SunSet at 16:26 UT, 31st October, 2012. (For Scotland)As of 2002, the Sun appears in the constellation Libra from October 31 to November 22. http://en.wikipedia.org/wiki/Libra_(constellation)#Astrology
Samhain is a Gaelic harvest festival held on October 31 - November 1.http://astronomy.activeboard.com/t4647175/samhain/
Hallowe'n night was traditionally called 'Nutcrack Night' http://paganwiccan.about.com/od/samhainoctober31/p/NutCrackNight.htm
Nevada Day commemorates the admission of the state of Nevada into the union on October 31, 1864. http://en.wikipedia.org/wiki/Nevada_Day
The 'Jet Propulsion Laboratory' was formed October 31, 1936http://en.wikipedia.org/wiki/Jet_Propulsion_LaboratoryProgress 49P/M-17M Soyuz U Launch on October 31, 2012http://astronomy.activeboard.com/t51379733/progress-49pm-17m/Soyuz TM-31 was launched by a Soyuz-U rocket at 07:52 UT on October 31, 2000.http://astronomy.activeboard.com/t45886894/soyuz-tm-31/Shenzhou-8 was launched at 23:00 CET, 31 October, 2011http://astronomy.activeboard.com/t19661884/shenzhou-viii/
People
Michael Collins (born October 31, 1930) is a former American astronauthttp://astronomy.activeboard.com/t45887079/michael-collins/Charles Leroux (31 October 1856 - 24 September 1889) was an American balloonist http://en.wikipedia.org/wiki/Charles_LerouxDaniel John Alderson (October 31, 1941 - May 17, 1989) was a scientist at JPLhttp://en.wikipedia.org/wiki/Dan_AldersonAgop Terzan (born October 31, 1927) is a French-Armenian astronomer.http://en.wikipedia.org/wiki/Agop_TerzanFrank Bateson (31 October 1909 - 16 April 2007) was a New Zealand astronomerhttp://en.wikipedia.org/wiki/Frank_BatesonJames Dunlop (31 October 1793 - 22 September 1848) was a Scottish astronomerhttp://en.wikipedia.org/wiki/James_DunlopGalileo Ferraris (31 October 1847 - 7 February 1897) was an Italian physicisthttp://en.wikipedia.org/wiki/Galileo_FerrarisSir Joseph Wilson Swan (31 October 1828 - 27 May 1914) was a British physicist http://astronomy.activeboard.com/t45887094/sir-joseph-wilson-swan-1828-1914/Narinder Singh Kapany (born 12 October 1926 in Moga, Punjab) is an Indian born American physicist http://astronomy.activeboard.com/t45887086/narinder-singh-kapany/Paul Frampton (born 31 October 1943) is a particle phenomenologist.http://en.wikipedia.org/wiki/Paul_FramptonKarl Theodor Wilhelm Weierstrass (October 31, 1815 - February 19, 1897) was a German mathematician http://astronomy.activeboard.com/t45887119/karl-theodor-wilhelm-weierstrass-1815-1897/Juliette Gordon Low (1860 - 1927) was the founder of Girl Scouts in the United Stateshttp://astronomy.activeboard.com/t51379101/juliette-gordon-low-1860-1927/
The film, Without Warning, premièred on Halloween night, October 31, 1994http://en.wikipedia.org/wiki/Without_Warning_(1994_film)
K-9 is a British-Australian comedy-adventure first aired on the 31 October 2009https://en.wikipedia.org/wiki/K-9_(TV_series)
The Day of Seven Billion was on October 31, 2011http://en.wikipedia.org/wiki/Day_of_7_Billion#Day_of_Seven_BillionBetween October 4, 1927, and October 31, 1941, Gutzon Borglum and 400 workers sculpted the Mount Rushmore National Memorial http://astronomy.activeboard.com/t35886908/mount-rushmore/Leiden University Library became operational on 31 October 1587http://en.wikipedia.org/wiki/Leiden_University_LibraryThe first mirror of the 40-foot telescope was cast on 31 October 1785http://en.wikipedia.org/wiki/40-foot_telescopeCSIRO's Parkes radio telescope was officially opened on 31 October 1961.http://astronomy.activeboard.com/t5827711/parkes-radio-telescope/
NGC Discovered
NGC 535 was discovered by German astronomer Heinrich d'Arrest on the 31st October 1864. http://astronomy.activeboard.com/t55409738/ngc-535/NGC 539 was discovered by Frank Leavenworth on the 31st October 1886. http://astronomy.activeboard.com/t55409670/ngc-539/NGC 543 was discovered by German astronomer Heinrich d'Arrest on the 31st October 1864.http://astronomy.activeboard.com/t55409570/ngc-543/NGC 1645 was discovered by German astronomer Heinrich d'Arrest on the 31st October 1864.http://astronomy.activeboard.com/t55409456/ngc-1645/NGC 6747 was discovered by American astronomer Lewis Swift refractor on the 31st October 1886.http://astronomy.activeboard.com/t55409342/ngc-6747/NGC 7437 was discovered by Lewis A. Swift on the 31st October 1885. http://astronomy.activeboard.com/t55409250/ngc-7437/NGC 7776 a magnitude +14.5 spiral galaxy discovered by Ormond Stone on the 31st October 1885. http://astronomy.activeboard.com/t58585056/ngc-7776/
Extrasolar planet WASP-4b was discovered on October 31, 2007http://en.wikipedia.org/wiki/WASP-4b
Asteroids Discovered
Asteroid (261) Prymno was discovered by C. H. F. Peters on October 31, 1886 in Clinton, New Yorkhttp://en.wikipedia.org/wiki/261_PrymnoAsteroid (281) Lucretia was discovered by Johann Palisa on October 31, 1888 in Vienna.http://en.wikipedia.org/wiki/281_LucretiaAsteroid (449) Hamburga was discovered on October 31, 1899http://en.wikipedia.org/wiki/449_HamburgaAsteroid 463 Lola (1900 FS) was discovered on October 31, 1900 by Max Wolf at Heidelberg.http://en.wikipedia.org/wiki/463_LolaAsteroid (944) Hidalgo was discovered by Walter Baade on October 31, 1920 http://en.wikipedia.org/wiki/944_Hidalgo
MeteoritesThe Monroe (H4) meteorite fell in North Carolina, USA, on the 31st October 1849.http://astronomy.activeboard.com/t45887136/monroe-meteorite/The Kalaba (H4) meteorite fell in Shaba, Congo - Dem. Rep., on the 31st October 1951.http://astronomy.activeboard.com/t45887061/kalaba-meteorite/The Yanzhuang (H4) meteorite fell in Guangdong, China, on the 31st October 1990.http://astronomy.activeboard.com/t45886875/yanzhuang-meteorite/The Djoumine (H5-6) meteorite fell in Banzart, Tunisia, on the 31st October 1999.http://astronomy.activeboard.com/t45886871/djoumine-meteorite/
A 1.15-kilogram meteor landed near Morawa on October 31, 2016.http://astronomy.activeboard.com/t62991892/morawa-meteorite/