The Sun enters the zodiac sign of Virgo around the 23rd August
Vulcan was worshipped at an annual festival on August 23 known as the Volcanaliahttp://en.wikipedia.org/wiki/Vulcan_%28mythology%29
The Battle of Mons was the first major action of the British Expeditionary Force in 1914http://en.wikipedia.org/wiki/Battle_of_MonsThe Battle of Stalingrad took place between 23 August 1942 to 2 February 1943 http://en.wikipedia.org/wiki/Battle_of_Stalingrad
On 23 August 1921, the ZR-2 rigid airship was destroyed by a structural failurehttp://en.wikipedia.org/wiki/R38_class_airshipThe Gossamer Condor, the first human-powered aircraft, won the first Kremer prize on August 23, 1977http://en.wikipedia.org/wiki/Gossamer_Condor
Ranger 1 prototype spacecraft was launched on the 23rd August 1964http://en.wikipedia.org/wiki/Ranger_1Lunar Orbiter 1 took the first photograph of Earth from orbit around the Moon on August 23, 1966.http://astronomy.activeboard.com/t26853905/lunar-orbiter-1/Progress M-1, was a Soviet unmanned cargo spacecraft which was launched in 1989 to resupply the Mir space station.http://en.wikipedia.org/wiki/Progress_M-1
Klaus-Dietrich Flade (born August 23, 1952) is a German pilot and former German Aerospace Center astronaut http://en.wikipedia.org/wiki/Klaus-Dietrich_FladeDominic Anthony Antonelli (born August 23, 1967) is a NASA astronaut. http://en.wikipedia.org/wiki/Dominic_A._AntonelliDavid Alexander Wolf (born 23 August 1956) is an American astronauthttp://en.wikipedia.org/wiki/David_Wolf_(astronaut)Moritz Benedikt Cantor (23 August 1829 - 10 April 1920) was a German historian of mathematics.http://en.wikipedia.org/wiki/Moritz_Benedikt_CantorSir William Wallace (died 23 August 1305) was a Scottish knight and landownerhttp://astronomy.activeboard.com/t44582695/sir-william-wallace/Robert Floyd Curl, Jr. (born August 23, 1933) is an emeritus professor of chemistry at Rice University.https://en.wikipedia.org/wiki/Robert_CurlWilliam Henry Eccles (23 August 1875 - 29 April 1966) was a British physicisthttp://en.wikipedia.org/wiki/William_Henry_EcclesLev Matveevich Zeleny (born August 23, 1948) is Soviet and Russian physicist. http://en.wikipedia.org/wiki/Lev_ZelenySarah Frances Whiting (August 23, 1847 - September 12, 1927) was an American physicist and astronomerhttp://en.wikipedia.org/wiki/Sarah_Frances_WhitingZoran Kneevic (born 23 August 1949 in Osijek) is a Serbian astronomerhttp://en.wikipedia.org/wiki/Zoran_Kne%C5%BEevi%C4%87_(astronomer)ubor Kresák (23 August 1927 - 20 January 1994) was a Slovak astronomer http://en.wikipedia.org/wiki/%C4%BDubor_Kres%C3%A1kEdward Arthur Fath (23 August 1880 - 26 January 1959) was an American observational astronomerhttp://link.springer.com/referenceworkentry/10.1007%2F978-1-4419-9917-7_440
Sir George Augustus William Shuckburgh-Evelyn (23 August 1751 - 11 August 1804) was an English politician, mathematician and astronomerhttps://en.wikipedia.org/wiki/George_Shuckburgh-Evelyn
At 1335 UTC on August 23, 2010 a voice message was broadcast by shortwave radio station UVB-76http://en.wikipedia.org/wiki/UVB-76
NGC 561 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 23rd August 1862.http://astronomy.activeboard.com/t58382204/ngc-561/NGC 607 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 23rd August 1855.http://astronomy.activeboard.com/t58382267/ngc-607/NGC 7005 was discovered by German-Danish astronomer Heinrich Louis d'Arrest on the 23rd August 1855.http://astronomy.activeboard.com/t58382279/ngc-7005/
A new type of star called Y dwarfs were discovered with WISE, and announced August 23, 2011http://en.wikipedia.org/wiki/Wide-field_Infrared_Survey_ExplorerGalileo recorded Dactyl, a satellite of asteroid Ida, over an observation period of 5.5 hours in August 1993http://en.wikipedia.org/wiki/243_Ida#MoonAsteroid (124) Alkeste was discovered by C.H.F. Peters on August 23, 1872 from New York State. http://en.wikipedia.org/wiki/124_AlkesteAsteroid (334) Chicago was discovered by Max Wolf on August 23, 1892, in Heidelberg.http://en.wikipedia.org/wiki/334_ChicagoAsteroid (477) Italia (1901 GR) was discovered on August 23, 1901 by Italian astronomer Luigi Carnera at Heidelberghttp://en.wikipedia.org/wiki/477_Italia
Comet 54P/de Vico-Swift-NEAT was discovered by Father Francesco de Vico (Rome, Italy) on August 23, 1844. http://astronomy.activeboard.com/t30229138/comet-54pde-vico-swift-neat/Comet Kopff was discovered on August 23, 1906http://en.wikipedia.org/wiki/22P/Kopff
MeteoritesThe Leonovka (L6) meteorite fell in Chernigov, Ukraine, on the 23rd August 1900.http://astronomy.activeboard.com/t44582179/leonovka-meteorite/The Monte Das Fortes (L5) meteorite fell in Beja, Portugal, on the 23rd August 1950.http://astronomy.activeboard.com/t44582187/monte-das-fortes-meteorite/