A total solar eclipse occurred on June 30, 1954.http://astronomy.activeboard.com/t43661338/june-30-1954-total-solar-eclipse/A total solar eclipse occurred on June 30, 1973. http://en.wikipedia.org/wiki/Solar_eclipse_of_June_30,_1973
The Toolache Wallaby, or Grey's Wallaby (Macropus greyi), extinct on 30 June 1939http://astronomy.activeboard.com/t49820995/toolache-wallaby/The 1860 Oxford evolution debate took place at the Oxford University Museum on 30 June 1860http://en.wikipedia.org/wiki/1860_Oxford_evolution_debateThe Regina Cyclone devastated the city of Regina, Saskatchewan, Canada on June 30, 1912.http://astronomy.activeboard.com/t43661305/the-regina-cyclone/On 30 June 1503, Christopher Columbus beached his two last caravels and was stranded in Jamaica.http://en.wikipedia.org/wiki/March_1504_lunar_eclipseThe Spanish conquistadors were driven out of Tenochtitlan on June 30, 1520http://en.wikipedia.org/wiki/Cuitl%C3%A1huac
The first leap second was added to the UTC time system on the 30th June, 1972.http://astronomy.activeboard.com/t3449419/leap-second-2005/Einstein's paper "Zur Elektrodynamik bewegter Körper", was received on June 30 1905http://astronomy.activeboard.com/t43661262/special-theory-of-relativity/The P-9 Project (Manhattan Project's heavy water production program) was completed on 30 June 1943http://en.wikipedia.org/wiki/P-9_ProjectThe Hadron Electron Ring Facility was closed on June 30, 2007http://en.wikipedia.org/wiki/Hadron_Elektron_Ring_Anlage
The Scout S-55 satellite was launched on the 30th June 1961http://en.wikipedia.org/wiki/Scout_X-1Kosmos 6, also known as Sputnik 16 was launched by the Soviet Union on 30 June 1962.http://en.wikipedia.org/wiki/Kosmos_6End of mission of the Soyuz 11 on the 30 June 1971http://en.wikipedia.org/wiki/Soyuz_11
The WMAP spacecraft was launched on 30 June 2001, at 19:46:46 GDT, from Florida. http://astronomy.activeboard.com/t38721345/wilkinson-microwave-anisotropy-probe/Canada's first space telescope, the MOST satellite was launched on the 30th June 2003http://en.wikipedia.org/wiki/MOST_(satellite)The Cassini spacecraft arrived at Saturn on the 30th June 2004http://www.jpl.nasa.gov/news/news.php?release=2004-168The last day for mission operations of the Ulysses space probe was on June 30, 2009.http://en.wikipedia.org/wiki/Ulysses_(spacecraft)The Progress M-06M/38P mission was launched on the 30th June 2010.http://astronomy.activeboard.com/t36727577/progress-m-06m38p/The ORS-1 Satellite was successfully launched from Wallops Island at 03:09 UT, 30th June, 2011.http://astronomy.activeboard.com/t39011825/ors-1-satellite/
Deaths of Georgy Dobrovolsky, Viktor Patsayev and Vladislav Volkov aboard the Soyuz 11 spacecrafthttp://en.wikipedia.org/wiki/Viktor_Patsayev
Bùi Thanh Liêm (June 30, 1949 - September 26, 1981) was a Vietnamese cosmonaut http://en.wikipedia.org/wiki/Bui_Thanh_LiemStephen Scot Oswald (born June 30, 1951) is a former NASA Astronaut.http://en.wikipedia.org/wiki/Stephen_OswaldLudwig Bölkow (June 30, 1912 - July 25, 2003) was one of the aeronautical pioneers of Germany.http://en.wikipedia.org/wiki/Ludwig_B%C3%B6lkowVladimir Nikolayevich Chelomey (30 June 1914 - 8 December 1984) was a Soviet mechanics scientist.http://en.wikipedia.org/wiki/Vladimir_ChelomeySir Joseph Dalton Hooker (30 June 1817 - 10 December 1911) was a British botanist and explorer. http://en.wikipedia.org/wiki/Joseph_Dalton_Hooker
Robert Duane Ballard (born June 30, 1942) is a retired United States Navy officerhttps://en.wikipedia.org/wiki/Robert_BallardJohn Louis Perdrix (1926 - 2005) was a astronomical historianhttp://aas.org/obituaries/john-louis-perdrix-1926-2005Athanassios Spyridon Fokas (b. June 30, 1952) is a Greek mathematicianhttp://en.wikipedia.org/wiki/Athanassios_S._FokasVictoria Michelle "Vicky" Kaspi (born June 30, 1967) is an American-Canadian astrophysicist and a professor at McGill University. http://en.wikipedia.org/wiki/Victoria_KaspiJean-Dominique, comte de Cassini (30 June 1748 - 18 October 1845) was a French astronomerhttp://en.wikipedia.org/wiki/Dominique,_comte_de_Cassini
Descend, bold traveller, into the crater of the jökull of Snæfell, which the shadow of Scartaris touches before the Kalends of July, and you will attain the centre of the earth. http://en.wikipedia.org/wiki/Journey_to_the_Center_of_the_EarthCosmic Call 1 was sent to HD 190406 on June 30, 1999http://astronomy.activeboard.com/t49287443/cosmic-call-1/
NGC 6300 was discovered by Scottish astronomer James Dunlop on the 30th June 1826.http://astronomy.activeboard.com/t57951373/ngc-6300/NGC 6311 was discovered by French astronomer Edouard Stephan on the 30th June 1876.http://astronomy.activeboard.com/t57951378/ngc-6311/NGC 6744 was discovered by Scottish astronomer James Dunlop on the 30th June 1826.http://astronomy.activeboard.com/t43140452/ngc-6744/NGC 6752 was discovered by Scottish astronomer James Dunlop on the 30th June 1826.http://astronomy.activeboard.com/t17905025/ngc-6752/
The planet HD 142415 b was discovered in La Silla Observatory on 30 June 2003http://en.wikipedia.org/wiki/HD_142415_bThe planet HD 111232 b was discovered in La Silla Observatory on 30 June 2003http://en.wikipedia.org/wiki/HD_111232_b
Namaka, a satellite of Haumea, was discovered on June 30, 2005, and nicknamed "Blitzen".http://en.wikipedia.org/wiki/Haumea_(dwarf_planet)#Moons
Macleay River 1878 meteorhttp://astronomy.activeboard.com/t54212281/macleay-river-1878-meteor/
MeteoritesThe Nogoya (CM2 chondrite) meteorite fell in Entre Rios, Argentina, on the 30th June, 1879. http://astronomy.activeboard.com/t43661376/nogoya-meteorite/The Rich Mountain (L6 chondrite) meteorite fell in North Carolina, USA, on the 30th June, 1903.http://astronomy.activeboard.com/t43661476/rich-mountain-meteorite/The Kagarlyk (L6 chondrite) meteorite fell in Kiev, Ukraine, on the 30th June, 1908.http://astronomy.activeboard.com/t43661508/kagarlyk-meteorite/The Tunguska meteorite fell in Evenkiyskiy avtonomnyy okrug, Russia, on the 30th June, 1908.http://astronomy.activeboard.com/t5607926/tunguska-impact-site/The Richardton (H5 chondrite) meteorite fell in North Dakota, USA, on the 30th June, 1918.http://astronomy.activeboard.com/t43662102/richardton-meteorite/The Tuan Tuc (L6 chondrite) meteorite fell in Can Tho, Vietnam, on the 30th June, 1921.http://astronomy.activeboard.com/t43662114/tuan-tuc-meteorite/The Ibitira (Eucrite-mmict) meteorite fell in Minas Gerais, Brazil, on the 30th June, 1957.http://astronomy.activeboard.com/t43662133/ibitira-meteorite/The Aomori (L6 chondrite) meteorite fell in Tohoku, Japan, on the 30th June, 1984.http://astronomy.activeboard.com/t43662150/aomori-meteorite/