In ancient Roman religion, the Armilustrium was a festival in honour of Marshttp://en.wikipedia.org/wiki/Armilustrium
The Beyers and Holtermann nugget was found on the 19th October, 1872 http://astronomy.activeboard.com/t51233083/beyers-and-holtermann-nugget/
The Battle of Zama was fought around October 19, 202 BChttp://en.wikipedia.org/wiki/Battle_of_ZamaThe First Battle of Ypres was fought in October and November 1914.http://en.wikipedia.org/wiki/First_Battle_of_YpresThe Battle of Chamdo was fought on October 19, 1950http://en.wikipedia.org/wiki/Invasion_of_Tibet_(1950)#Invasion_of_TibetCho Oyu, the sixth highest mountain in the world, was first climbed on October 19, 1954http://en.wikipedia.org/wiki/Cho_Oyu
People
Annie Smith Peck (19 October 1850 - 18 July 1935) was an American mountaineer.http://en.wikipedia.org/wiki/Annie_Smith_PeckSir Robert Charles Evans (19 October 1918 - 5 December 1995), was a British mountaineerhttp://en.wikipedia.org/wiki/Charles_Evans_(mountaineer)Peter Tosh (19 October 1944 - 11 September 1987)
Subrahmanyan Chandrasekhar (October 19, 1910 - August 21, 1995) was an Indian astrophysicisthttp://astronomy.activeboard.com/t38860111/subramanyan-chandrasekhar/Max Planck originally produced his Black body radiation law on 19 October 1900http://astronomy.activeboard.com/t29791413/plancks-blackbody-radiation-law/
30 Days of Night is a 2007 American horror filmhttp://astronomy.activeboard.com/t51233099/30-days-of-night-film/Meteor is a 1979 science fiction Technicolor disaster filmhttp://astronomy.activeboard.com/t46077890/meteor-science-fiction-film/
Mariner 5 flew by Venus on October 19, 1967http://astronomy.activeboard.com/t36478589/mariner-5-mission/The Interstellar Boundary Explorer was launched in 2008https://en.wikipedia.org/wiki/Interstellar_Boundary_ExplorerViaSat-1 satellite was launched on October 19, 2011http://en.wikipedia.org/wiki/ViaSat-1MetOp-A was launched on October 19, 2006http://en.wikipedia.org/wiki/MetOpJapan's Kaguya entered circular lunar orbit on 19 October, 2007http://en.wikipedia.org/wiki/SELENE
NGC Discovered
NGC 1257 is a magnitude +13.6 double star discovered by Guillaume Bigourdan on the 19th October 1884.http://astronomy.activeboard.com/t58807705/ngc-1257/NGC 1260 is a magnitude +14.3 spiral galaxy discovered by Guillaume Bigourdan on the 19th October 1884.http://astronomy.activeboard.com/t58807703/ngc-1260/NGC 1264 is a magnitude +14.1 barred spiral galaxy discovered by Guillaume Bigourdan on the 19th October 1884.http://astronomy.activeboard.com/t58807693/ngc-1264/NGC 1435 is a magnitude +13.0 diffuse reflection nebula discovered by Wilhelm Tempel on the 19th October 1859.http://astronomy.activeboard.com/t55294052/ngc-1435/NGC 1531 is a magnitude +12.9 peculiar lenticular galaxy discovered by John Herschel on the 19th October 1835.http://astronomy.activeboard.com/t58807684/ngc-1531/NGC 7062 is a magnitude +8.3 open star cluster discovered by William Herschel on the 19th October 1788.http://astronomy.activeboard.com/t58807680/ngc-7062/NGC 7082 is a magnitude +7.2 open star cluster discovered by William Herschel on the 19th October 1788.http://astronomy.activeboard.com/t58807675/ngc-7082/
NGC 7479 was discovered by William Herschel on the 19th October 1784.http://astronomy.activeboard.com/t62730146/ngc-7479/NGC 7515 is a magnitude +12.4 face-on spiral galaxy discovered by William Herschel on the 19th October 1784.http://astronomy.activeboard.com/t58807672/ngc-7515/
Neutron star XTE J1739-285 was first observed on 19 October 1999http://en.wikipedia.org/wiki/XTE_J1739-285HD 5388 b (also known as HIP 4311 b) was announced on October 19, 2009http://en.wikipedia.org/wiki/HD_5388_bHD 215497 b was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/HD_215497_bHD 290327 b was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/HD_290327_bHD 28254 b was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/HD_28254_bHD 8535 b was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/HD_8535_bHD 215497 c was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/HD_215497_cHIP 5158 b was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/HIP_5158_bHD 156411 b was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/HD_156411_bBD-08°2823 b was detected by HARPS on October 19, 2009http://en.wikipedia.org/wiki/BD-08%C2%B02823_bGliese 667 Cb was first announced on 19 October 2009http://en.wikipedia.org/wiki/Gliese_667_CMosaic of three images of Phobos taken by the Viking 1 orbiter on 19 October 1978https://commons.wikimedia.org/wiki/File:Phobos-viking1.jpgAsteroid 50 Virginia was independently discovered on October 19, 1857 http://en.wikipedia.org/wiki/50_Virginia
Comet C/2013 A1 passes extremely close to Mars on 19 October 2014http://en.wikipedia.org/wiki/C/2013_A1Comet 18D/PerrineMrkos was rediscovered on October 19, 1955 with ordinary binocularshttp://en.wikipedia.org/wiki/18D/Perrine%E2%80%93MrkosOn 19 October 1805, the astronomer J. J. C. Thulis rediscovered Comet Enckehttp://books.google.co.uk/books?id=gPgSCCsJMGQC&pg=PA45&lpg=PA45#v=onepage&q&f=false
A fireball was observed over Poland on 19 October 2012http://astropolis.pl/topic/39714-bolid-19102012/
MeteoritesNo historical meteorite falls today