* Astronomy

The 2008 Sichuan earthquake occurred at 02:28:01 PM China Standard Time on Monday, May 12, 2008 
http://astronomy.activeboard.com/t53660593/2008-sichuan-earthquake/

The Temple to Mars Ultor was dedicated on May 12 (aligned with the heliacal setting of the constellation Scorpio)
http://en.wikipedia.org/wiki/Mars_(mythology)#Temples_and_topography

The Jagiellonian University was established in 1364 by Casimir III the Great in Kazimierz (district of Kraków).
http://en.wikipedia.org/wiki/Jagiellonian_University

The National University of San Marcos was chartered on May 12, 1551
http://en.wikipedia.org/wiki/National_University_of_San_Marcos

The Adler Planetarium opened to the public on May 12, 1930
http://en.wikipedia.org/wiki/Adler_Planetarium_%26_Astronomy_Museum

On 12 May 2002, a hangar housing Buran collapsed during a massive storm in Kazakhstan.
http://en.wikipedia.org/wiki/Buran_(spacecraft)#Destruction

Gregory Harold "Box" Johnson (born May 12, 1962) is a NASA astronaut and a retired colonel in the United States Air Force.
https://en.wikipedia.org/wiki/Gregory_H._Johnson

Dorothy Mary Hodgkin (12 May 1910 - 29 July 1994) was a British biochemist who developed protein crystallography
https://en.wikipedia.org/?title=Dorothy_Hodgkin

Edward Lear (12 May 1812 - 29 January 1888) was a British artist
http://astronomy.activeboard.com/t50618633/edward-lear-1812-1888/

John Russell Hind (May 12, 1823 - December 23, 1895) was an English astronomer.
http://en.wikipedia.org/wiki/John_Russell_Hind

Augustus William Smith (May 12, 1802 - March 26, 1866) was an educator, astronomer and mathematician
http://en.wikipedia.org/wiki/Augustus_William_Smith

Jean-Félix Adolphe Gambart (12 May 1800 - 23 July 1836) was a French astronomer.
http://en.wikipedia.org/wiki/Jean-F%C3%A9lix_Adolphe_Gambart

Antoine Emile Henry Labeyrie (born 12 May 1943) is a French astronomer 
http://en.wikipedia.org/wiki/Antoine_%C3%89mile_Henry_Labeyrie

NGC 5028 was discovered by German astronomer Ernst Wilhelm Leberecht Tempel on the 12th May 1882. 
http://astronomy.activeboard.com/t57539963/ngc-5028/

NGC 5173 was discovered by German-British astronomer William Herschel on the 12th May 1787. 
http://astronomy.activeboard.com/t57539962/ngc-5173/

NGC 5198 was discovered by German-British astronomer William Herschel on the 12th May 1787. 
http://astronomy.activeboard.com/t57539959/ngc-5198/

NGC 5224 was discovered by German-British astronomer William Herschel on the 12th May 1793. 
http://astronomy.activeboard.com/t57539955/ngc-5224/

NGC 5652 was discovered by German-British astronomer William Herschel on the 12th May 1793. 
http://astronomy.activeboard.com/t57539953/ngc-5652/

NGC 5661 was discovered by German-British astronomer William Herschel on the 12th May 1793. 
http://astronomy.activeboard.com/t57539948/ngc-5661/

NGC 5674 was discovered by German-British astronomer William Herschel on the 12th May 1793. 
http://astronomy.activeboard.com/t57539946/ngc-5674/

NGC 5679 was discovered by German-British astronomer William Herschel on the 12th May 1793. 
http://astronomy.activeboard.com/t57539944/ngc-5679/

NGC 5689 was discovered by German-British astronomer William Herschel on the 12th May 1787. 
http://astronomy.activeboard.com/t57539931/ngc-5689/

NGC 5694 "Tombaugh's Globular Cluster", was photographed by Clyde Tombaugh on 12 May 1931.
http://astronomy.activeboard.com/t52346304/ngc-5694/

NGC 6145 was discovered by John Herschel on the 12th May 1828.
http://astronomy.activeboard.com/t63714133/ngc-6145/

NGC 6229 was discovered by German-British astronomer William Herschel on the 12th May 1787. 
http://astronomy.activeboard.com/t47710323/ngc-6229/

NGC 6819 (Fox Head cluster) was discovered by Caroline Herschel on 12 May, 1784.
http://astronomy.activeboard.com/t52975503/ngc-6819/