A total lunar eclipse took place on January 9-10, 2001http://en.wikipedia.org/wiki/January_2001_lunar_eclipse
An Agonalia was an obscure archaic religious observance celebrated in ancient Romehttp://en.wikipedia.org/wiki/Agonalia#January_9
The first shots of the American Civil War were on January 9, 1861http://astronomy.activeboard.com/t52188678/american-civil-war/The Battle of Bear Valley was a small engagement fought in 1918http://en.wikipedia.org/wiki/Battle_of_Bear_ValleyThe Fort Tejon earthquake occurred at about 8:20 AM (Pacific time) on January 9, 1857.http://astronomy.activeboard.com/t40384778/fort-tejon-earthquake-1857/The Great Gale of 1880 impacted the Northwest United States on January 9, 1880.http://en.wikipedia.org/wiki/Great_Gale_of_1880The Nimrod expedition reached just 180.6 km from the pole on the 9th January, 1909. http://en.wikipedia.org/wiki/Nimrod_ExpeditionExtinct: The last sighting of a Auckland Merganser (Mergus australis) was on January 9, 1902.http://en.wikipedia.org/wiki/Auckland_Island_MerganserStart of construction of the Aswan Dam was on the 9th January, 1960.http://en.wikipedia.org/wiki/Aswan_Dam#Construction_and_filling_1960.E2.80.931976
The Russian sloop-of-war Neva was wrecked at Sitka on the 9 January 1813https://en.wikipedia.org/wiki/Neva_(1802_Russian_ship)#Fate
On 9 January 1793, Jean-Pierre Blanchard conducted the first balloon flight in the Americashttps://en.wikipedia.org/wiki/Jean-Pierre_Blanchard
Surveyor 7 image of the Moon taken in 1968http://www.jpl.nasa.gov/history/60s/Surveyor7_1968_2.htm Shenzhou 2 was launched on January 9, 2001http://en.wikipedia.org/wiki/Shenzhou_2STS-32 was launched on 9 January 1990http://en.wikipedia.org/wiki/STS-32
Lituanica SAT-1 was launched on the 9th January 2014http://en.wikipedia.org/wiki/Lituanica_SAT-1
Peter Frank George Twinn (9 January 1916 - 29 October 2004) was a British mathematicianhttp://en.wikipedia.org/wiki/Peter_TwinnRogelio Bernal Andreo (born 9 January 1969) is a Spanish-American astrophotographer. http://en.wikipedia.org/wiki/Rogelio_Bernal_AndreoProfessor Severus Snape (9 January, 1960 - 2 May, 1998) was a half-blood wizardhttp://harrypotter.wikia.com/wiki/Severus_SnapeMichael Mark Woolfson (born 9 January 1927) is a British physicist and planetary scientist. http://en.wikipedia.org/wiki/Michael_Woolfson
Steven W. Squyres (born January 9, 1956) is the James A. Weeks Professor of Physical Sciences at Cornell University in Ithaca, New York.https://en.wikipedia.org/wiki/Steve_Squyres
Placemarker
NGC 2061 was discovered by John Herschel on the 9th January 1836.http://astronomy.activeboard.com/t56195429/ngc-2061/NGC 2188 was discovered by John Herschel on the 9th January 1836.http://astronomy.activeboard.com/t56195417/ngc-2188/NGC 2191 was discovered by John Herschel on the 9th January 1837.http://astronomy.activeboard.com/t56195405/ngc-2191/
The Ashen Light of Venus was first sighted by Giovanni Battista Riccioli on January 9, 1643http://en.wikipedia.org/wiki/Ashen_lightCressida, an inner satellite of Uranus, was discovered by Voyager 2 on 9 January 1986http://en.wikipedia.org/wiki/Cressida_%28moon%29Thomas Henderson published his results on the distance to Alpha Centauri in 1839http://en.wikipedia.org/wiki/Thomas_Henderson_(astronomer)#Africa
X-ray Nova Muscae 1991 or GU Muscae was discovered on January 9, 1991.http://en.wikipedia.org/wiki/GRS_1124-683
MeteoritesThe Castrovillari (Stone) meteorite fell in Calabria, Italy, on the 9th January, 1583.http://astronomy.activeboard.com/t47176941/castrovillari-meteorite/The Phum Sambo (H4) meteorite fell in Kampong Cham, Cambodia, on the 9th January, 1933.http://astronomy.activeboard.com/t47176947/phum-sambo-meteorite/The Git-Git (L6) meteorite fell in Plateau, Nigeria, on the 9th January, 1947.http://astronomy.activeboard.com/t47176961/git-git-meteorite/