The total solar eclipse of 1832, July 27http://adsabs.harvard.edu/full/1901Obs....24..386Lhttp://eclipse.gsfc.nasa.gov/SEsearch/SEsearchmap.php?Ecl=18320727
National Sleepy Head Day (Finnish: Unikeonpäivä) is celebrated in Finland on July 27 every year.http://en.wikipedia.org/wiki/National_Sleepy_Head_DayThe Roman Martyrology mentions the Seven Sleepers of Ephesus under the date of 27 Julyhttp://en.wikipedia.org/wiki/Seven_SleepersPacific Grove, California's Feast of Lanterns is an annual celebrationhttp://en.wikipedia.org/wiki/Feast_of_Lanterns
The building of the Jungfraujoch railway tunnel started on July 27, 1896http://en.wikipedia.org/wiki/JungfraujochThe de Havilland DH 106 Comet 1 prototype first flew on 27 July 1949.http://astronomy.activeboard.com/t35630483/de-havilland-comet/
From July 17 - 27, 1956, the Naval Research Lab launched 8 Deacon rockoons for solar ultraviolet & X-ray observationshttp://history.nasa.gov/SP-4401/ch4.htmOn June 27, 1997 the NEAR Shoemaker spacecraft flew within 1200 km of Mathildehttps://en.wikipedia.org/wiki/NEAR_Shoemaker#The_journey_to_Eros
Sheikh Muszaphar Shukora (born on 27 July 1972) was the first Malaysian to go into space.http://astronomy.activeboard.com/t44112692/sheikh-muszaphar-shukor/Aydyn Akanovich Aimbetov (born July 27, 1972) is a Kazakh cosmonaut.http://en.wikipedia.org/wiki/Aydyn_AimbetovDaniel Christopher Burbank (born July 27, 1961) is an American astronauthttp://en.wikipedia.org/wiki/Daniel_C._BurbankBaron Loránd Eötvös de Vásárosnamény (27 July 1848 - 8 April 1919) was a Hungarian physicist. http://en.wikipedia.org/wiki/Lor%C3%A1nd_E%C3%B6tv%C3%B6sHeinrich Wilhelm Brandes (July 27, 1777 - May 17, 1834) was a German physicist, meteorologist, and astronomer.http://en.wikipedia.org/wiki/Heinrich_Wilhelm_BrandesSir George Biddell Airy (27 July 1801 - 2 January 1892) was an English mathematician and astronomerhttp://en.wikipedia.org/wiki/George_Biddell_AiryOswald Thomas (July 27, 1882 - Feb. 13, 1963) was a German astronomer (He introduced the Summer Triangle)http://en.wikipedia.org/wiki/Oswald_Thomas#CareerJeremiah Dixon (July 27, 1733 - January 22, 1779) was an English surveyor and astronomerhttp://astronomy.activeboard.com/t44112713/jeremiah-dixon-1733-1779/
The first recorded "official" comic book convention took place on July 27, 1964, in New York Cityhttps://en.wikipedia.org/wiki/Comic_book_convention
The puzzle video game 'Orbient' as released on the 27th July 2006http://en.wikipedia.org/wiki/OrbientStargate SG-1 science fiction television series premiered on Showtime on July 27, 1997. http://en.wikipedia.org/wiki/Stargate_SG-1
NGC 2636 was discovered by German astronomer Wilhelm Tempel on the 27th July 1883.http://astronomy.activeboard.com/t58168878/ngc-2636/NGC 2646 was discovered by German astronomer Wilhelm Tempel on the 27th July 1883.http://astronomy.activeboard.com/t58168715/ngc-2646/Messier 28 was discovered by French astronomer Charles Messier on the 27th July 1764.http://astronomy.activeboard.com/t49700227/messier-28/
NGC 5584 was discovered by Edward Emerson Barnard on the 27th July 1881.http://astronomy.activeboard.com/t60367472/ngc-5584/NGC 6504 was discovered by German astronomer Albert Marth on the 27th July 1864.http://astronomy.activeboard.com/t58168689/ngc-6504/NGC 6549 was discovered by German astronomer Albert Marth on the 27th July 1864.http://astronomy.activeboard.com/t58168681/ngc-6549/NGC 6774 was discovered by British astronomer John Herschel on the 27th July 1830.http://astronomy.activeboard.com/t49718192/ruprecht-147/
The discovery of TNO Haumea was controversially announced on July 27, 2005http://en.wikipedia.org/wiki/Controversy_over_the_discovery_of_Haumea
Asteroid (200) Dynamene was discovered by Christian Heinrich Friedrich Peters on July 27, 1879, in Clinton, New York. http://astronomy.activeboard.com/t45054910/asteroid-200-dynamene/
The 1952 Washington, D.C. UFO incidenthttp://en.wikipedia.org/wiki/1952_Washington,_D.C._UFO_incident#Events_of_July_26.E2.80.9327The Meteor of July 27, 1894http://astronomy.activeboard.com/t58169384/the-meteor-of-july-27-1894/The Great South African Meteor on July 27, 1928http://adsabs.harvard.edu/abs/1930JASSA...2..186K
MeteoritesThe Savtschenskoje (LL4 chondrite) meteorite fell in Odessa, Ukraine, on the 27th July, 1894.http://astronomy.activeboard.com/t44112836/savtschenskoje-meteorite/The Nadiabondi (H5 chondrite) meteorite fell in Gourma, Burkina Faso, on the 27th July, 1956.http://astronomy.activeboard.com/t44112954/nadiabondi-meteorite/