* Astronomy

The 1877 Iquique earthquake occurred at 21:16 local time on 9 May (0:59 on 10 May UTC)
http://en.wikipedia.org/wiki/1877_Iquique_earthquake

Noah's flood was dated to May 10th, 2807 B.C.
http://discovermagazine.com/2007/nov/did-a-comet-cause-the-great-flood

The Sikorsky Russky Vityaz, or Russian Knight and previously known as the Bolshoi Baltisky (The Great Baltic) in its first four-engined version, was the first four-engine aircraft in the world, designed by Igor Sikorsky and built at the Russian Baltic Railroad Car Works (Russo-Baltiiskyi Vagonnyi Zavod or R-BVZ) in Saint Petersburg in early 1913.
http://en.wikipedia.org/wiki/Sikorsky_Russky_Vityaz

Ellen Lauri Ochoa (born May 10, 1958) is a former astronaut 
http://en.wikipedia.org/wiki/Ellen_Ochoa

Lisa Marie Nowak (née Caputo) (born May 10, 1963) is a former American naval flight officer and NASA astronaut
http://en.wikipedia.org/wiki/Lisa_Nowak

Magnus Freiherr von Braun (10 May 1919 - 21 June 2003) was a Luftwaffe aviator, and rocket scientist
http://en.wikipedia.org/wiki/Magnus_von_Braun

Augustin-Jean Fresnel (1788-1827), was a French engineer 
http://en.wikipedia.org/wiki/Augustin-Jean_Fresnel

George Elwood Smith (born May 10, 1930) is an American scientist, applied physicist, and co-inventor of the charge-coupled device.
http://en.wikipedia.org/wiki/George_E._Smith

Franco Pacini (May 10, 1939 - January 25, 2012) was an Italian astrophysicist
http://en.wikipedia.org/wiki/Franco_Pacini

Cecilia Helena Payne-Gaposchkin (May 10, 1900 - December 7, 1979) was a British-American astronomer
http://astronomy.activeboard.com/t60116563/cecilia-helena-payne-gaposchkin-1900-1979/

NGC 1808 was discovered by Scottish astronomer James Dunlop on the 10 May 1826.
http://astronomy.activeboard.com/t57530150/ngc-1808/

NGC 3787 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 10 May 1864.
http://astronomy.activeboard.com/t57530139/ngc-3787/

NGC 4170 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 10 May 1864.
http://astronomy.activeboard.com/t57530135/ngc-4170/

NGC 4171 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 10 May 1864.
http://astronomy.activeboard.com/t57530128/ngc-4171/

NGC 4715 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 10 May 1863.
http://astronomy.activeboard.com/t57530118/ngc-4715/

NGC 4871 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 10 May 1863.
http://astronomy.activeboard.com/t57530108/ngc-4871/

NGC 4873 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 10 May 1863.
http://astronomy.activeboard.com/t57530105/ngc-4873/

NGC 4931 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 10 May 1863.
http://astronomy.activeboard.com/t57530097/ngc-4931/

NGC 5511 was discovered by American astronomer George Washington Hough on the 10 May 1883.
http://astronomy.activeboard.com/t57530094/ngc-5511/

NGC 5518 was discovered by French astronomer Edouard Stephan on the 10 May 1882.
http://astronomy.activeboard.com/t57530093/ngc-5518/

NGC 5986 was discovered by Scottish astronomer James Dunlop on the 10 May 1826.
http://astronomy.activeboard.com/t57530085/ngc-5986/

NGC 6134 was discovered by Scottish astronomer James Dunlop on the 10 May 1826.
http://astronomy.activeboard.com/t57530078/ngc-6134/