Title: Annular Solar Eclipse, Sept. 18, 1857http://adsabs.harvard.edu/full/1856MNRAS..17...18TThe Panic of 1873 triggered a severe international economic depression in both Europe and the US http://en.wikipedia.org/wiki/Panic_of_1873The UK Government held an independence referendum on 18 September 2014http://en.wikipedia.org/wiki/Scottish_independence_referendum,_2014Old Faithful is a cone geyser located in Wyoming was discovered in 1870http://en.wikipedia.org/wiki/Old_Faithful_GeyserOn September 18 1906 a typhoon and storm surge struck Hong Kong.https://en.wikipedia.org/wiki/1906_Hong_Kong_typhoonThe Manchurian Incident was a staged event engineered by Japanese military personnel in 1931http://en.wikipedia.org/wiki/Mukden_IncidentThe Jun'yo Maru, a Japanese cargo ship, was sunk in 1944http://en.wikipedia.org/wiki/Juny%C5%8D_MaruVanguard 3 was launched on September 18, 1959http://en.wikipedia.org/wiki/Vanguard_3
Voyager 1 returned the first spacecraft photo of Earth and Moon in 1977http://www.planetary.org/multimedia/space-images/earth/crescent-earth-and-moon-from.html
Kosmos 954 was launched on September 18, 1977 at 13:55 UTC from the Baikonur Cosmodromehttp://en.wikipedia.org/wiki/Kosmos_954Soyuz 38 was a human spaceflight mission conducted by the Soviet Union during September, 1980http://en.wikipedia.org/wiki/Soyuz_38
Soyuz TMA-9 was launched from the Baikonur Cosmodrome on 18 September 2006http://en.wikipedia.org/wiki/Soyuz_TMA-9
WorldView-1 satellite was launched September 18, 2007http://en.wikipedia.org/wiki/WorldView-1
On September 18, 2009, George Smoot appeared on "Are You Smarter Than a 5th Grader?" TV show http://en.wikipedia.org/wiki/George_Smoot
I Dream of Jeannie is a 1960s American sitcom with a fantasy premise. http://astronomy.activeboard.com/t45046170/i-dream-of-jeannie/
Science fiction television series, Alien Nation first aired on September 18, 1989http://en.wikipedia.org/wiki/Alien_Nation_(1989_TV_series)
People
Arnaldo Tamayo Méndez (born January 29, 1942) was a Cuban cosmonauthttp://astronomy.activeboard.com/t45046247/arnaldo-tamayo-mndez/Nikolay Nikolayevich Rukavishnikov (September 18, 1932 - October 19, 2002) was a Soviet cosmonaut http://en.wikipedia.org/wiki/Nikolai_Rukavishnikov
Valentina Leonidovna Ponomaryova. (born 18 September 1933) is a former Soviet cosmonauthttp://en.wikipedia.org/wiki/Valentina_PonomaryovaTakao Doi (September 18, 1954) is a Japanese astronauthttp://en.wikipedia.org/wiki/Takao_DoiCharles Lacy Veach (September 18, 1944 - October 3, 1995) was a NASA astronauthttp://en.wikipedia.org/wiki/Charles_L._Veach
Mark Richard Shuttleworth (born 18 September 1973) is a South African entrepreneur and space touristhttp://en.wikipedia.org/wiki/Mark_ShuttleworthOn September 18, 2006, Anousheh Ansari became the first Iranian in spacehttp://en.wikipedia.org/wiki/Anousheh_AnsariClement Lindley Wragge (18 September 1852 - 10 December 1922), was a meteorologisthttp://en.wikipedia.org/wiki/Clement_Lindley_WraggeWilliam Francis Brinsley Le Poer Trench (18 September 1911 - 18 May 1995) was a ufologisthttp://en.wikipedia.org/wiki/Brinsley_Le_Poer_Trench,_8th_Earl_of_ClancartyRonald David Ekers (born 18 September 1941) is an Australian radio astronomerhttp://en.wikipedia.org/wiki/Ronald_EkersAdrien-Marie Legendre (18 September 1752 - 10 January 1833) was a French mathematicianhttp://astronomy.activeboard.com/t45046251/adrien-marie-legendre-1752-1833/Viktor Hambardzumyan (September 18 1908 - August 12, 1996) was a Soviet Armenian scientisthttp://en.wikipedia.org/wiki/Viktor_HambardzumyanEdwin Mattison McMillan (September 18, 1907 - September 7, 1991) was an American physicisthttp://astronomy.activeboard.com/t45046103/edwin-mattison-mcmillan-1907-1991/Jean Bernard Léon Foucault (18 September 1819 - 11 February 1868) was a French physicisthttp://astronomy.activeboard.com/t45046260/jean-bernard-lon-foucault-1819-1868/
NGC discovered
NGC 14 is an irregular galaxy discovered by William Herschel on the 18th September 1786.http://astronomy.activeboard.com/t58577736/ngc-14/NGC 20 is a lenticular galaxy discovered by R. J. Mitchell on the 18th September 1857.http://astronomy.activeboard.com/t58577716/ngc-20/NGC 52 is an edge-on spiral galaxy discovered by William Herschel on the 18th September 1784.http://astronomy.activeboard.com/t58577698/ngc-52/NGC 339 is a globular star cluster discovered by John Herschel on the 18th September 1835. http://astronomy.activeboard.com/t58577687/ngc-339/NGC 643 is an open star cluster discovered by John Herschel on the 18th September 1835. http://astronomy.activeboard.com/t58577677/ngc-643/NGC 860 is an elliptical galaxy discovered by Edouard Jean-Marie Stephan on the 18th September 1871. http://astronomy.activeboard.com/t58577674/ngc-860/NGC 861 is a spiral galaxy discovered by Heinrich Louis d'Arrest on the 18th September 1865.http://astronomy.activeboard.com/t58577664/ngc-861/NGC 904 is an elliptical galaxy discovered by Edouard Jean-Marie Stephan on the 18th September 1871. http://astronomy.activeboard.com/t58577655/ngc-904/NGC 935 is a spiral galaxy discovered by Lewis A. Swift on the 18th September 1885.http://astronomy.activeboard.com/t58577641/ngc-935/NGC 1164 is a face-on barred spiral galaxy discovered by John Herschel on the 18th September 1828. http://astronomy.activeboard.com/t58577622/ngc-1164/NGC 7550 is an elliptical galaxy discovered by William Herschel on the 18th September 1784.http://astronomy.activeboard.com/t58577617/ngc-7550/NGC 7578 is a pair of galaxies discovered by William Herschel on the 18th September 1784.http://astronomy.activeboard.com/t58577603/ngc-7578/NGC 7714 is a barred spiral galaxy discovered by John Herschel on the 18th September 1830. http://astronomy.activeboard.com/t58577586/ngc-7714/
Supernova 2006gy was discovered on September 18, 2006.http://en.wikipedia.org/wiki/SN_2006gy
Asteroid (374) Burgundia was discovered by Auguste Charlois on September 18, 1893 in Nice.http://en.wikipedia.org/wiki/374_Burgundia
Asteroid (607) Jenny was discovered by German astronomer August Kopff on September 18, 1906.http://en.wikipedia.org/wiki/607_JennyComet Ikeya-Seki was discovered on September 18, 1965http://en.wikipedia.org/wiki/Comet_Ikeya-SekiThe Mayodan (Iron, IIAB) meteorite was discovered in North Carolina, USA, in 1920.http://astronomy.activeboard.com/t54994475/mayodan-meteorite/
Meteorites
No historical meteorite falls today, AFAIK