On June 21, the Intihuatana stone casts the longest shadow http://astronomy.activeboard.com/t33685633/machu-picchu/June 21 is the Incan new year holiday of Inti Raymihttp://en.wikipedia.org/wiki/Huaca_de_Chena#Skills_of_observation
We Tripantu is the Mapuche New Year festhttp://astronomy.activeboard.com/t49689923/we-tripantu/
The Astrological Association of Great Britain was formed at 7.22 pm GMT on 21 June 1958http://en.wikipedia.org/wiki/Astrological_Association_of_Great_Britain
The Met Office headquarters in Devon was officially opened on 21 June 2004http://en.wikipedia.org/wiki/Met_Office#LocationsSSEM, the world's first stored-program computer, ran its first program on 21 June 1948.http://en.wikipedia.org/wiki/Manchester_Small-Scale_Experimental_Machine
The discovery of the element iridium was documented in a letter to the Royal Society on June 21, 1804http://en.wikipedia.org/wiki/IridiumThe Battle of Lake Trasimene (June 21, 217 BC) was a Roman defeat in the Second Punic Warhttp://astronomy.activeboard.com/t49689809/battle-of-lake-trasimene/
The Kandilli Earthquake Museum was opened on June 21, 2006http://en.wikipedia.org/wiki/Kandilli_Earthquake_MuseumThe cornerstone for the Dearborn Observatory building was laid on June 21, 1888http://en.wikipedia.org/wiki/Dearborn_ObservatoryThe official opening of the Mills Observatory new improved facilities occurred on June 21, 1984http://en.wikipedia.org/wiki/Mills_Observatory
The Gnomon of Saint-Sulpice is an astronomical measurement devicehttp://en.wikipedia.org/wiki/Gnomon_of_Saint-Sulpice#Structure
The Explorer 41 (IMP 5, Interplanetary Monitoring Platform-G) satellite was launched on 21 June 1969http://en.wikipedia.org/wiki/Explorers_programThe Orbiting Solar Observatory (OSO 8) was launched on June 21, 1975.http://en.wikipedia.org/wiki/OSO_8STS-57 was a Shuttle-Spacehab mission of Space Shuttle Endeavour that launched 21 June 1993http://en.wikipedia.org/wiki/STS-57Flight 15P of SpaceShipOne (X0), took place on June 21, 2004.http://astronomy.activeboard.com/t3079953/the-white-knight/The Molniya-3K 12L satellite was launched on 21 June 2005http://space.skyrocket.de/doc_sdat/molniya-3k.htmThe TanDEM-X satellite was launched on 21 June 2005http://astronomy.activeboard.com/t28680252/tandem-x-radar-satellite/Progress M-11M/43-P was launched on 21 June 2011http://astronomy.activeboard.com/t43271652/progress-m-11m43p/
On June 21, 1913, Georgia Broadwick became the first woman to parachute jump from a moving aircraft, doing so over Los Angeles, California.http://en.wikipedia.org/wiki/Parachute
Herbert Friedman (June 21, 1916 - September 9, 2000) was an American pioneer in solar physics sounding rocketshttp://en.wikipedia.org/wiki/Herbert_FriedmanYáng Lìwei (born June 21, 1965) is a Chinese major general and military pilot http://astronomy.activeboard.com/t49689940/yng-lwei/
Oleg Dmitriyevich Kononenko (born June 21, 1964) is a Russian cosmonaut.http://en.wikipedia.org/wiki/Oleg_KononenkoGennady Ivanovich Padalka (born June 21, 1958) is a Russian Air Force officer and an RSA cosmonaut.http://en.wikipedia.org/wiki/Gennady_PadalkaGeorg Balthazar von Neumayer (21 June 1826 - 24 May 1909), was a German polar explorer http://en.wikipedia.org/wiki/Georg_von_NeumayerJames Short (10 June O.S. (21 June N.S.) 1710 - 15 June 1768) was a Scottish mathematician. http://en.wikipedia.org/wiki/James_Short_(mathematician)
Hugh Frank Newall FRS (21 June 1857 - 22 Feb. 1944) was a British astrophysicist.http://en.wikipedia.org/wiki/Hugh_NewallJean Chacornac (June 21, 1823 - September 6, 1873) was a French astronomer.http://en.wikipedia.org/wiki/Jean_ChacornacWilhelm Gliese (21 June 1915 - 12 June 1993) was a German astronomer http://en.wikipedia.org/wiki/Wilhelm_GlieseMaximilian Franz Joseph Cornelius Wolf (June 21, 1863 - October 3, 1932) was a German astronomerhttp://en.wikipedia.org/wiki/Max_WolfSiméon Denis Poisson (21 June 1781 - 25 April 1840), was a French mathematician, geometer, and physicisthttp://en.wikipedia.org/wiki/Sim%C3%A9on_Denis_Poisson
The science fiction film 'Lifeforce' was released on June 21, 1985http://en.wikipedia.org/wiki/Lifeforce_(film)The film 'Rocketeer' was released on June 21, 1991http://en.wikipedia.org/wiki/The_Rocketeer_(film)
NGC 5950 was discovered by French astronomer Edouard Stephan on the 21st June 1882.http://astronomy.activeboard.com/t57885195/ngc-5950/NGC 6069 was discovered by French astronomer Edouard Stephan on the 21st June 1882.http://astronomy.activeboard.com/t57885192/ngc-6069/NGC 6074 was discovered by French astronomer Edouard Stephan on the 21st June 1874.http://astronomy.activeboard.com/t57885188/ngc-6074/NGC 6078 was discovered by French astronomer Edouard Stephan on the 21st June 1876.http://astronomy.activeboard.com/t57885181/ngc-6078/NGC 6083 was discovered by French astronomer Edouard Stephan on the 21st June 1876.http://astronomy.activeboard.com/t57885175/ngc-6083/NGC 6172 was discovered by French astronomer Edouard Stephan on the 21st June 1884.http://astronomy.activeboard.com/t57885170/ngc-6172/
GRB 100621A was a gamma-ray burst observed on June 21, 2010http://astronomy.activeboard.com/t37062195/grb-100621a/
The extrasolar planet NGC 2423-3b was discovered in an open cluster on the 21st June 2007http://en.wikipedia.org/wiki/NGC_2423-3_bHydra is the second outermost known natural satellite of Pluto was discovered in June 2005http://en.wikipedia.org/wiki/Hydra_(moon)#DiscoveryNix a natural satellite of Pluto was discovered along with Hydra in June 2005http://astronomy.activeboard.com/t49689842/nix/
Comet 1903 C (borrelly) was discovered on the 21st June 1903http://adsabs.harvard.edu/full/1904ApJ....19..121A
A Peculiar Fireball on June 21, 1937http://astronomy.activeboard.com/t54112882/fireball-on-june-21-1937/The Getafe pseudometeorite fell on the 21st June 1994http://astronomy.activeboard.com/t54116472/getafe-meteorite/
MeteoritesThe Clohars (L4) meteorite fell in France, on the 21st June, 1822. http://astronomy.activeboard.com/t54110422/clohars-meteorite/The Leeuwfontein (L6 Chondrite) meteorite fell in Gauteng, South Africa, on the 21st June, 1912.http://astronomy.activeboard.com/t43489229/leeuwfontein-meteorite/The Trysil (L/LL6 Chondrite) meteorite fell in Hedmark, Norway, on the 21st June, 1927.http://astronomy.activeboard.com/t43489212/trysil-meteorite/The Guangrao (L6 Chondrite) meteorite fell in Shandong, China, on the 21st June, 1980. http://astronomy.activeboard.com/t43489198/guangrao-meteorite/The Uchkuduk (L6 Chondrite) meteorite fell in Navoi, Uzbekistan, on the 21st June, 1989http://astronomy.activeboard.com/t43489186/uchkuduk-meteorite/