Total Solar Eclipse of 1452 June 17http://eclipse.gsfc.nasa.gov/SEsearch/SEsearchmap.php?Ecl=14520617
The World Day to Combat Desertification and Drought is a United Nations observance each June 17. http://astronomy.activeboard.com/t49630845/world-day-to-combat-desertification-and-drought/The Dusky Seaside Sparrow: The last definite known individual died on June 17, 1987http://en.wikipedia.org/wiki/Dusky_Seaside_SparrowThe People's Republic of China detonated its first H-Bomb using a YuDeng design on June 17, 1967 http://en.wikipedia.org/wiki/Test_No._6The Battle of the Rosebud (also known the Battle of the Rosebud Creek) occurred June 17, 1876http://en.wikipedia.org/wiki/Battle_of_the_Rosebud
On June 17, 1825, an expedition from HMS Blonde, led by botanist James Macrae, reached the summit of Mauna Kea. http://en.wikipedia.org/wiki/Mauna_Kea#AscentsThe Dutchman Willem Barentsz made the first indisputable discovery of Svalbard in 1596http://en.wikipedia.org/wiki/Svalbard#HistoryNew Albion was explored by Sir Francis Drake and claimed by him for England in 1579.http://astronomy.activeboard.com/t49630837/new-albion/The SS Great Eastern first voyage to North America began on 17 June 1860.http://en.wikipedia.org/wiki/SS_Great_Eastern#First_voyage_to_North_AmericaOn the afternoon of 17 June 1940 the RMS Lancastria came under attack from the Luftwaffe. http://en.wikipedia.org/wiki/RMS_Lancastria
The Super Proton Synchrotron, accelerated protons to 300 GeV for the first time, on 17 June 1976http://home.cern/about/updates/2016/06/happy-birthday-spsThe first radar detection of an aircraft was made on 17 June 1935http://en.wikipedia.org/wiki/Edward_George_Bowen#Ground-based_radar
Kosmos 167 was launched on 17 June 1967.https://en.wikipedia.org/wiki/Kosmos_167Signe 3 was launched on June 17, 1977 as part of the Soviet Union's Intercosmos program.http://heasarc.gsfc.nasa.gov/docs/heasarc/missions/signe3.html
The first Peacekeeper ICBM was launched by Air Force Systems Command from an aboveground canister-type launch facility from TP-01 on 17 June 1983. http://en.wikipedia.org/wiki/Vandenberg_Air_Force_BaseSTS-51-G Space Shuttle Discovery was launched on 17 June 1985http://en.wikipedia.org/wiki/STS-51-G
Daniel Charles Brandenstein (born January 17, 1943) is a former Naval Aviator and NASA astronaut http://en.wikipedia.org/wiki/Daniel_BrandensteinMargaret Ray Ringenberg (June 17, 1921 - July 28, 2008) was an American aviator.http://en.wikipedia.org/wiki/Margaret_RingenbergElbert Leander "Burt" Rutan (born June 17, 1943) is an American aerospace engineer http://astronomy.activeboard.com/t28017829/burt-rutan/Mumtaz Mahal (April 1593 - 17 June 1631) was a Mughal Empress and chief consort of emperor Shah Jahan. http://astronomy.activeboard.com/t49630880/mumtaz-mahal-1593-1631/William Vallance Douglas Hodge FRS (17 June 1903 - 7 July 1975) was a Scottish mathematicianhttp://en.wikipedia.org/wiki/W._V._D._HodgeCarl Hermann (17 June 1898 - 12 September 1961) was a German professor of crystallographyhttp://en.wikipedia.org/wiki/Carl_HermannSir William Crookes, OM, FRS (17 June 1832 - 4 April 1919) was a British chemist and physicist http://en.wikipedia.org/wiki/William_CrookesSir David Brunt KBE (17 June 1886 - 5 February 1965 was a Welsh meteorologisthttp://en.wikipedia.org/wiki/David_BruntHermann Mayer Salomon Goldschmidt (June 17, 1802 - April 26, 1866) was a German-French astronomer and painterhttp://astronomy.activeboard.com/t54062675/hermann-goldschmidt-1802-1866/César-François Cassini de Thury (17 June 1714 - 4 September 1784) was a French astronomer and cartographer.http://en.wikipedia.org/wiki/C%C3%A9sar-Fran%C3%A7ois_Cassini_de_Thury
William Parsons, 3rd Earl of Rosse (17 June 1800 - 31 October 1867) was an Anglo-Irish astronomerhttps://en.wikipedia.org/wiki/William_Parsons,_3rd_Earl_of_RosseJames Ludlow Elliot (17 June 1943 - 3 March 2011) was an American astronomer http://en.wikipedia.org/wiki/James_L._ElliotRobert Grant (17 June 1814 - 24 October 1892) was a Scottish astronomerhttp://en.wikipedia.org/wiki/Robert_Grant_(astronomer)William Henry Finlay (17 June 1849 - 7 December 1924) was a South African astronomerhttp://en.wikipedia.org/wiki/William_Henry_Finlay
NGC 6234 was discovered by German astronomer Albert Marth on the 17th June 1863. http://astronomy.activeboard.com/t57849895/ngc-6234/NGC 6296 was discovered by German astronomer Albert Marth on the 17th June 1863. http://astronomy.activeboard.com/t57849886/ngc-6296/NGC 6356 was discovered by German-British astronomer William Herschel on the 17th June 1784. http://astronomy.activeboard.com/t57849881/ngc-6356/NGC 6364 was discovered by French astronomer Auguste Voigt on June 1865. http://astronomy.activeboard.com/t57849870/ngc-6364/NGC 6392 was discovered by British astronomer John Herschel on the 17th June 1835. http://astronomy.activeboard.com/t57849859/ngc-6392/NGC 6696 was discovered by American astronomer Lewis Swift on the 17th June 1884.http://astronomy.activeboard.com/t57849850/ngc-6696/
On 17 June 2010 after preliminary data processing WISE 0647-6232 was uncovered as a very cold brown dwarf candidate.http://en.wikipedia.org/wiki/WISE_0647-6232Jupiter and Venus form their 2nd conjunction (#2 of 3) in Virgo on June 17, 2 B.C. http://en.wikipedia.org/wiki/Star_of_Bethlehem
Asteroid 2002 MN was discovered on June 17, 2002http://en.wikipedia.org/wiki/2002_MNSalem meteor, 17 June 1904http://astronomy.activeboard.com/t57850717/salem-meteor-17-june-1904/South June Aquilids meteor maximum in the constellation Aquila at 11:00 UT, 17th June 2014.http://astronomy.activeboard.com/t43413484/south-june-aquilids/
MeteoritesThe Jodzie (howardite achondrite) meteorite fell in Kovno, Lithuania, on the 17th June, 1877.http://astronomy.activeboard.com/t43426079/jodzie-meteorite/The Mapleton (Iron, IIIAB) meteorite was discovered in Iowa, USA, on the 17th June 1939. http://astronomy.activeboard.com/t54067160/mapleton-meteorite/The Mtola (Stone-uncl) meteorite fell in Mzimba district, Malawi, on the 17th June, 1944http://astronomy.activeboard.com/t43426117/mtola-meteorite/The Ibbenbüren meteorite fell in Nordrhein-Westfalen, Germany, on the 17th June, 1870.http://astronomy.activeboard.com/t43426066/ibbenbren-meteorite/The Dhofar 378 Mars Meteorite was discovered on the 17th June 2000http://www2.jpl.nasa.gov/snc/dhofar378.html