On August 25, the Opiconsivia (or Opeconsiva or Opalia) Roman festival was held in honour of Opshttp://en.wikipedia.org/wiki/Opalia
The 1933 Diexi earthquake occurred in Diexi, Mao County, Sichuan, Republic of China on August 25, 1933.http://en.wikipedia.org/wiki/1933_Diexi_earthquake
Voyager 2 spacecraft made its closest approach to Saturn in 1981https://www.youtube.com/watch?v=6s6FqVnWv-UAnniversary of the Voyager 2 Neptune flyby inn 1989http://voyager.jpl.nasa.gov/The Spitzer Space Telescope was launched on a Delta II 7920H ELV rocket on Monday, 25 August 2003http://en.wikipedia.org/wiki/Spitzer_Space_TelescopeAugust 25, 1997; Launch of Advanced Composition Explorer for solar study and study of the composition of solarwindhttp://astronomy.activeboard.com/t43357389/advanced-composition-explorer/Naro-1 was launched on the 25 August 2009http://en.wikipedia.org/wiki/Naro-1New Horizons crossed the orbit of Neptune on the 25th August 2014https://en.wikipedia.org/wiki/New_Horizons
Sub-Lieutenant Saburo Sakai (August 25, 1916 - September 22, 2000) was a Japanese naval aviatorhttp://astronomy.activeboard.com/t50554812/saburo-sakai-1916-2000/Sir Thomas Sean Connery (born 25 August 1930) is a Scottish actor https://www.youtube.com/watch?v=8ysINNySRAoHerbert Kroemer (born August 25, 1928), a professor of electrical and computer engineering at the University of Californiahttp://en.wikipedia.org/wiki/Herbert_KroemerMaxim Lvovich Kontsevich (born 25 August 1964) is a Russian mathematician. http://en.wikipedia.org/wiki/Maxim_KontsevichHelmut Hasse (25 August 1898 - 26 December 1979) was a German mathematicianhttp://en.wikipedia.org/wiki/Helmut_Hasse
Johan Philip Lansberge (25 August 1561 - 8 December 1632) was a Dutch astronomer.http://astronomy.activeboard.com/t44625489/johan-philip-lansberge-1561-1632/
On 25 August 1609, Galileo Galilei demonstrated one of his early telescopes to Venetian lawmakers. http://en.wikipedia.org/wiki/Galileo_Galilei#Astronomy
"The Great Moon Hoax" refers to a series of six articles that were published in the New York Sun beginning on August 25, 1835http://en.wikipedia.org/wiki/Great_Moon_Hoax
The Triangulum Galaxy was independently discovered by Charles Messier on the night of August 25-26, 1764.http://astronomy.activeboard.com/t5572696/messier33/NGC 1039 was independently discovered by Charles Messier on the night of August 25-26, 1764.http://astronomy.activeboard.com/t58396288/messier-34/NGC 7073 was discovered by German astronomer Albert Marth on the 25th August 1864.http://astronomy.activeboard.com/t58396065/ngc-7073/NGC 7406 was discovered by German astronomer Albert Marth on the 25th August 1864.http://astronomy.activeboard.com/t58396047/ngc-7406/NGC 7416 was discovered by German astronomer Albert Marth on the 25th August 1864.http://astronomy.activeboard.com/t58396033/ngc-7416/
PSR J1719-1438 b is an extrasolar planet that was discovered on August 25, 2011http://en.wikipedia.org/wiki/PSR_J1719-1438_bThe Uranian moons, Cupid and Mab, were discovered using the Hubble Space Telescope on the 25th August, 2003.http://en.wikipedia.org/wiki/Moons_of_Uranus
Asteroid 287 Nephthys was discovered by German-American astronomer C. H. F. Peters on August 25, 1889 in Clinton, New Yorkhttps://en.wikipedia.org/wiki/287_Nephthys
The Lubbock Lights were an unusual formation of lights seen over the city of Lubbock, Texas, from AugustSeptember 1951. http://en.wikipedia.org/wiki/Lubbock_LightsNorthern Iota Aquarids Meteor Showerhttp://astronomy.activeboard.com/t44638044/northern-iota-aquarids-meteor-shower/
MeteoritesThe Shergotty (Martian - shergottite) meteorite fell in Bihar, India, on the 25th August, 1865.http://astronomy.activeboard.com/t11715726/shergottite-martian-meteorite/The Aumale (L6) meteorite fell in Bouira, Algeria, on the 25th August, 1865.http://astronomy.activeboard.com/t44625290/aumale-meteorite/The Baszkówka (L5) meteorite fell in Warszawa, Poland, on the 25th August, 1994.http://astronomy.activeboard.com/t44625298/baszkwka-meteorite/