A total solar eclipse occurred on May 30, 1965. http://en.wikipedia.org/wiki/Solar_eclipse_of_May_30,_1965
"On the 30th day of May was a jolly May-game in Fenchurch Street"http://en.wikipedia.org/wiki/May_Queen#History1885 Kashmir Earthquakehttp://astronomy.activeboard.com/t49367094/1885-kashmir-earthquake/The Saint Louis Science Centre was dedicated on May 30, 1963http://en.wikipedia.org/wiki/Saint_Louis_Science_CenterThe ANTARES neutrino telescope was completed on 30 May 2008http://en.wikipedia.org/wiki/KM3NeT
The European Space Agency (ESA) was established on May 30, 1975http://en.wikipedia.org/wiki/European_Space_Agency
On 30 May 1498, Columbus left with six ships from Sanlúcar, Spain, for his third trip to the New World.http://en.wikipedia.org/wiki/Christopher_Columbus#Third_voyage
On 30 May 1915, Captain Linnarz commanded LZ 38 on the first London Zeppelin raidhttp://en.wikipedia.org/wiki/German_strategic_bombing_during_World_War_I#1915
Surveyor 1 was launched on the 30th May 1966http://en.wikipedia.org/wiki/Surveyor_1Mariner 9 was launched toward Mars on May 30, 1971 http://en.wikipedia.org/wiki/Mariner_9
Alexey Arkhipovich Leonov (born 30 May 1934) is a retired Soviet/Russian cosmonaut http://en.wikipedia.org/wiki/Aleksei_LeonovMichael Eladio "LA" López-Alegría (May 30, 1958), is a Spanish-American astronauthttp://en.wikipedia.org/wiki/Michael_Lopez-AlegriaHelen Patricia Sharman, OBE PhD (born 30 May 1963), is a British chemist.http://en.wikipedia.org/wiki/Helen_SharmanElly Beinhorn-Rosemeyer (30 May 1907 - 28 November 2007) was a German pilot. http://en.wikipedia.org/wiki/Elly_BeinhornDean Everett Wooldridge (30 May 1913 - 20 September 2006) was a prominent engineer in the aerospace industryhttp://en.wikipedia.org/wiki/Dean_Wooldridge
Keir Dullea (born May 30, 1936) is an American actor best known for the character of astronaut David Bowmanhttp://en.wikipedia.org/wiki/Keir_DulleaJerome Bert Wiesner (May 30, 1915 - October 21, 1994) was an educatorhttp://en.wikipedia.org/wiki/Jerome_WiesnerErich Rudolf Bagge (30 May 1912, Neustadt bei Coburg - 5 June 1996, Kiel) was a German scientist. http://en.wikipedia.org/wiki/Erich_BaggeJoan of Arc was burned at the stake for heresy on 30 May 1431http://en.wikipedia.org/wiki/Joan_of_Arc#ExecutionEugène Charles Catalan (30 May 1814 - 14 February 1894) was a French and Belgian mathematician.http://en.wikipedia.org/wiki/Eug%C3%A8ne_Charles_CatalanSolomon Wolf Golomb (May 30, 1932 - May 1, 2016) was an American mathematiciahttp://en.wikipedia.org/wiki/Solomon_W._GolombHannes Olof Gösta Alfvén (30 May 1908 - 2 April 1995) was a Swedish electrical engineerhttp://en.wikipedia.org/wiki/Hannes_Alfv%C3%A9nJohn Herapath (30 May 1790 - 24 February 1868) was an English physicist http://en.wikipedia.org/wiki/John_HerapathAllan Chapman (born 30 May 1946) is a British historian of science.http://en.wikipedia.org/wiki/Allan_Chapman_%28historian%29Walter Scott Houston (May 30, 1912 - December 23, 1993) was an American popularizer of amateur astronomyhttp://en.wikipedia.org/wiki/Walter_Scott_HoustonGeorg von Peuerbach (May 30, 1423 - April 8, 1461) was an Austrian astronomer, mathematician and instrument maker.http://en.wikipedia.org/wiki/Georg_PurbachRaymond Smith Dugan (May 30, 1878 - August 31, 1940) was an American astronomer http://en.wikipedia.org/wiki/Raymond_Smith_Dugan
Prometheus is a 2012 science fiction film directed by Ridley Scotthttp://en.wikipedia.org/wiki/Prometheus_(2012_film)
NGC 5232 was discovered by German astronomer Albert Marth on the 30th May 1864. http://astronomy.activeboard.com/t57698331/ngc-5232/Messier 12 was discovered by French astronomer Charles Messier on the 30th May 1764. http://astronomy.activeboard.com/t5745338/messier-12/NGC 6129 was discovered by German-British astronomer William Herschel on the 30th May 1791. http://astronomy.activeboard.com/t57698289/ngc-6129/NGC 6142 was discovered by German-British astronomer William Herschel on the 30th May 1791. http://astronomy.activeboard.com/t57698281/ngc-6142/
PSR B1620-26 b discovered May 30, 1993http://en.wikipedia.org/wiki/PSR_B1620-26_bAstronomers announced the discovery of XO-3b on May 30, 2007http://en.wikipedia.org/wiki/XO-3bThe extrasolar planet MOA-2007-BLG-192Lb was discovered on 30 May 2008http://en.wikipedia.org/wiki/MOA-2007-BLG-192LbAsteroid (511) Davida was discovered by R. S. Dugan in 1903http://en.wikipedia.org/wiki/511_DavidaAnthe, a very small natural satellite of Saturn lying between the orbits of Mimas and Enceladus, was discovered by the Cassini Imaging Team in images taken on May 30, 2007http://en.wikipedia.org/wiki/Anthe_(moon)The Eta Pegasids radiate from the area near Eta Pegasi every year on May 30http://en.wikipedia.org/wiki/Pegasus_(constellation)#Meteor_showers
MeteoritesThe St. Mesmin (LL6) meteorite fell in Champagne-Ardenne, France, on the 30th May, 1866.http://astronomy.activeboard.com/t49367083/st-mesmin-meteorite/The Blanket (L6) meteorite fell in Texas, USA, on the 30th May, 1909.http://astronomy.activeboard.com/t49367085/blanket-meteorite/The Nagai (L6) meteorite fell in Tohoku, Japan, on the 30th May, 1922.http://astronomy.activeboard.com/t49367087/nagai-meteorite/The Harleton (L6) meteorite fell in Texas, USA, on the 30th May, 1961.http://astronomy.activeboard.com/t49367090/harleton-meteorite/