* Astronomy

The festival of the Roman goddess Salus (Latin: salus, "salvation") was celebrated on March 30.
http://en.wikipedia.org/wiki/Salus

Yelena Vladimirovna Kondakova (born March 30, 1957) was the third Soviet/Russian female cosmonaut to travel to space 
http://en.wikipedia.org/wiki/Yelena_Kondakova

Sergey Vladimirovich Ilyushin (30 March 1894 - February 9, 1977) was a Soviet aircraft designer
http://en.wikipedia.org/wiki/Sergey_Ilyushin

Jitendra Jatashankar Rawal (born March 30, 1943) is a Gujarati astrophysicist
http://en.wikipedia.org/wiki/Jitendra_Jatashankar_Rawal

Robert Wilhelm Eberhard Bunsen (30 March 1811- 16 August 1899) was a German chemist.
http://en.wikipedia.org/wiki/Robert_Bunsen

Bernhard Woldemar Schmidt (O.S. 30 March 1879 - 1 December 1935) was a German optician.
https://en.wikipedia.org/wiki/Bernhard_Schmidt

Vincentio (March 30, 1606 - November 5, 1647) was an Italian mathematician and astronomer. 
http://en.wikipedia.org/wiki/Vincentio_Reinieri

Nikolay Pavlovich Barabashov (March 30, 1894 - April 29, 1971) was a Soviet Russian astronomer. 
http://en.wikipedia.org/wiki/Nikolai_P._Barabashov

Ian Keith Shelton (born 30 March 1957 in Winnipeg , Canada) is a Canadian astronomer who discovered SN 1987A
http://en.wikipedia.org/wiki/Ian_Shelton

NGC 2888 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166543/ngc-2888/

NGC 3311 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166534/ngc-3311/

NGC 4016 was discovered by R. J. Mitchell on the 30th March 1854.
http://astronomy.activeboard.com/t57166522/ngc-4016/

NGC 4040 was discovered by Lewis Swift on the 30th March 1887.
http://astronomy.activeboard.com/t57166515/ngc-4040/

NGC 4456 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166503/ngc-4456/

NGC 4760 was discovered by Friedrich August Theodor Winnecke on the 30th March 1876.
http://astronomy.activeboard.com/t57166498/ngc-4760/

NGC 4806 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166490/ngc-4806/

NGC 4903 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166479/ngc-4903/

NGC 4905 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166473/ngc-4905/

NGC 4955 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166463/ngc-4955/

NGC 4980 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166457/ngc-4980/

NGC 5048 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166450/ngc-5048/

NGC 5051 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166442/ngc-5051/

NGC 5117 was discovered by John Herschel on the 30th March 1827.
http://astronomy.activeboard.com/t57166436/ngc-5117/

NGC 5357 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166428/ngc-5357/

NGC 5393 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166425/ngc-5393/

NGC 5464 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166418/ngc-5464/

NGC 5494 was discovered by John Herschel on the 30th March 1835.
http://astronomy.activeboard.com/t57166412/ngc-5494/

NGC 5855 was discovered by Lewis Swift on the 30th March 1887.
http://astronomy.activeboard.com/t57166407/ngc-5855/

NGC 5919 was discovered by Lewis Swift on the 30th March 1887.
http://astronomy.activeboard.com/t57166401/ngc-5919/

NGC 5920 was discovered by Lewis Swift on the 30th March 1887.
http://astronomy.activeboard.com/t57166394/ngc-5920/