A total solar eclipse occurred on August 18, 1868.http://en.wikipedia.org/wiki/Solar_eclipse_of_August_18,_1868On August 18, 1868, Pierre Jules Cesar Janssen discovered helium in the spectrum of the Sun during a solar eclipse.http://en.wikipedia.org/wiki/Pierre_Jules_C%C3%A9sar_Janssen
Festival of Vinalia Rusticahttp://astronomy.activeboard.com/t44436251/vinalia-rustica/
The 2005 Java-Bali Blackout was a power outage across Java and Bali on 18 August 2005, affecting some 100 million people.http://en.wikipedia.org/wiki/2005_Java%E2%80%93Bali_BlackoutThe Bangkok Planetarium opened on 18 August 1964http://en.wikipedia.org/wiki/Bangkok_Planetarium
The Discoverer 14 spy satellite was launched on the 18th August 1960 http://en.wikipedia.org/wiki/Discoverer_14The Suisei (Planet-A) spaceprobe was launched on the 18th August 1985https://en.wikipedia.org/wiki/Suisei_%28probe%29
Marcopolo 2 was launched on 18 August 1990.http://en.wikipedia.org/wiki/Thor_%28satellite%29#Marcopolo_2_.28Thor_1.29
Karl Jatho made his first flight in August 1903http://en.wikipedia.org/wiki/Karl_Jatho
Umberto Guidoni (born in Rome 18 August 1954) is an Italian politician and a former ESA astronaut.http://astronomy.activeboard.com/t44502594/umberto-guidoni/Lydia Vladimirovna Litvyak (August 18, 1921 - August 1, 1943) was a fighter pilot in the Soviet Air Force during WW II.http://en.wikipedia.org/wiki/Lydia_LitvyakVirginia Dare (born August 18, 1587, date of death unknown) was the first child born in the Americas to English parentshttp://en.wikipedia.org/wiki/Virginia_DareBrook Taylor (18 August 1685 - 30 November 1731) was an English mathematicianhttp://astronomy.activeboard.com/t44502585/brook-taylor-frs-1685-1731/Dr. Taher Elgamal (born 18 August 1955) is an Egyptian cryptographer. http://en.wikipedia.org/wiki/Taher_ElGamalRudolf König (August 18, 1865 - January 30, 1927) was an Austrian merchant, amateur astronomerhttp://en.wikipedia.org/wiki/Rudolf_K%C3%B6nig
The 2000 AD Dan Dare strip ended in prog 126 (18 August 1979)http://en.wikipedia.org/wiki/Dan_Dare#2000_AD
NGC 2653 was discovered by German astronomer Wilhelm Tempel on the 18th August 1882.http://astronomy.activeboard.com/t58342615/ngc-2653/NGC 2654 was discovered by German astronomer Wilhelm Tempel on the 18th August 1882.http://astronomy.activeboard.com/t58342614/ngc-2654/NGC 2685 was discovered by German astronomer Wilhelm Tempel on the 18th August 1882.http://astronomy.activeboard.com/t58342608/ngc-2685/NGC 6578 was discovered by American astronomer Edward Charles Pickering on the 18th August 1882.http://astronomy.activeboard.com/t58342601/ngc-6578/
NGC 6741 was discovered by American astronomer Edward Charles Pickering on the 18th August 1882.http://astronomy.activeboard.com/t58350801/ngc-6741/NGC 6904 was discovered by British astronomer John Herschel on the 18th August 1828. http://astronomy.activeboard.com/t58342593/ngc-6904/NGC 7040 was discovered by American astronomer Mark Walrod Harrington on the 18th August 1882.http://astronomy.activeboard.com/t58342590/ngc-7040/NGC 7043 was discovered by German astronomer Albert Marth on the 18th August 1863.http://astronomy.activeboard.com/t58342585/ngc-7043/
P Cygni was first observed on 18 August (Gregorian) 1600 by Willem Janszoon Blaeuhttp://astronomy.activeboard.com/t7888735/p-cygni/Phobos was discovered by astronomer Asaph Hall on 18 August 1877http://astronomy.activeboard.com/t4042025/phobos-and-deimos/Asteroid (239) Adrastea was discovered by Johann Palisa on August 18, 1884 in Vienna.http://en.wikipedia.org/wiki/239_Adrastea
Comet C/390 Q1 made its closest approach to the Earth (0.1002 AU, 14.9 million km) on the 18th August 390 ADhttps://books.google.co.uk/books?id=DFgMAaU3vA8C&pg=PA78#v=onepage&q&f=false
August 18, 1868 comethttp://astronomy.activeboard.com/t58341704/august-18-1868-comet/On 18 August 2008, the amateur astronomer Stanislav Maticic discovered the comet C/2008 Q1 (Maticic)http://astronomy.activeboard.com/t20107912/comet-c2008-q1-maticic/
The 1783 Great Meteor was an unusually bright bolide observed on August 18, 1783, from the British Isleshttp://astronomy.activeboard.com/t37714085/great-meteor-of-august-18-1783/
MeteoritesThe Cabezo de Mayo (L/LL6) meteorite fell in Murcia, Spain, on the 18th August 1870.http://astronomy.activeboard.com/t44502394/cabezo-de-mayo-meteorite/The Kamalpur (L6) meteorite fell in Uttar Pradesh, India, on the 18th August 1942.http://astronomy.activeboard.com/t44502397/kamalpur-meteorite/The Naragh (H6) meteorite fell in Esfahan, Iran, on the 18th August 1974.http://astronomy.activeboard.com/t44502402/naragh-meteorite/ #AnniversaryThe Zhuanghe (H5) meteorite fell in Liaoning, China, on the 18th August, 1976.http://astronomy.activeboard.com/t44502410/zhuanghe-meteorite/