Total solar eclipse on 18th July 1860http://www.sciencephoto.com/media/328885/enlarge
Nelson Mandela International Day is an annual international day in honour of Nelson Mandela, celebrated each year on 18 Julyhttps://en.wikipedia.org/wiki/Mandela_Day
The Battle of the Kondurcha River was fought on 18 June 1391http://en.wikipedia.org/wiki/Battle_of_the_Kondurcha_RiverThe Battle of the Allia was a battle of the first Gallic invasion of Rome in 390/387 BC. http://en.wikipedia.org/wiki/Battle_of_the_AlliaThe Great Fire of Rome (Latin: Magnum Incendium Romae) was an urban fire that occurred in AD 64. http://astronomy.activeboard.com/t12140201/rome/The Lesser Stick-nest Rat (Extinct, 18 July 1933)http://en.wikipedia.org/wiki/Lesser_stick-nest_rat
The first commercial telegraph cable across the Atlantic ocean was successfully completed on 18 July 1866 http://en.wikipedia.org/wiki/Telegraphy#Oceanic_telegraph_cablesThe first ascent of the Dent Blanche, a mountain in the Pennine Alps, was made on July 18, 1862http://en.wikipedia.org/wiki/Dent_Blanche#Climbing_historyThe Mayfield Star Lines commercial steamer The Elysium grounded on rocks on the 18 July 1888.http://northwesthistoricalsociety.wordpress.com/2011/05/04/pride-of-mayfield-star-lines-beached-in-devestating-storm/The Messerschmitt Me 262 Schwalbe, the first operational jet-powered fighter, first flew on 18 July 1942http://astronomy.activeboard.com/t43953581/messerschmitt-me-262-schwalbe/
Zond 3 was launched from an) earth orbiting platform towards the Moon on July 18, 1965.http://astronomy.activeboard.com/t37122257/zond-3-spacecraft/Gemini 10 was launched on the 18th July 1966.http://astronomy.activeboard.com/t37122296/gemini-10-mission/Rohini 1B, was the first Indian satellite launched by an Indian rocket on the 18th July 1980. http://astronomy.activeboard.com/t37122199/rohini-1-satellite/Sinosat-1 was launched from the Xichang Satellite Launch Centre at 09:20 GMT on 18 July 1998.http://en.wikipedia.org/wiki/Sinosat-1#Sinosat-1Anik F2 was launched from the Guiana Space Centre on the 18th July 1998http://en.wikipedia.org/wiki/Anik_F2#Anik_F2Spektr-R (or RadioAstron) was launched on the 18th July 2011http://en.wikipedia.org/wiki/Spektr_R
John Herschel Glenn, Jr. (July 18, 1921 - December 8, 2016) wea a United States Marine Corps pilot and astronauthttp://astronomy.activeboard.com/t43953599/john-herschel-glenn-jr/Ira H. Abbott (July 18, 1906 - November 3, 1988) was an American aerospace engineer .http://en.wikipedia.org/wiki/Ira_H._AbbottHendrik Antoon Lorentz (Arnhem, 18 July 1853 - Haarlem, 4 February 1928) was a Dutch physicisthttp://en.wikipedia.org/wiki/Hendrik_LorentzHermann of Reichenau (July 18, 1013 - September 24, 1054) was an 11th-century scholar http://en.wikipedia.org/wiki/Hermann_of_ReichenauRobert Hooke FRS (28 July [O.S. 18 July] 1635 - 3 March 1703) was an English natural philosopherhttp://astronomy.activeboard.com/t13763054/robert-hooke/Karl Ludwig Edler von Littrow (July 18, 1811 - November 16, 1877) was an Austrian astronomer.http://en.wikipedia.org/wiki/Karl_L._LittrowJean Claude Barthélemy Dufay (July 18, 1896 - November 6, 1967) was a French astronomer http://en.wikipedia.org/wiki/Jean_DufayAbraham Sharp (1653 - 18 July 1742) was an English mathematician and astronomer.http://en.wikipedia.org/wiki/Abraham_Sharp
The Quatermass Experiment originally ran from 18 July 1953 22 August 1953http://en.wikipedia.org/wiki/The_Quatermass_ExperimentAliens is a 1986 science fiction action film directed by James Cameronhttp://astronomy.activeboard.com/t43953640/aliens-film/
NGC 6397 was discovered by French astronomer Nicolas Louis de Lacaille on the 18th July 1752.http://astronomy.activeboard.com/t15699299/ngc6397/NGC 6735 was discovered by British astronomer John Herschel on the 18th July 1827. http://astronomy.activeboard.com/t58091092/ngc-6735/NGC 6793 was discovered by German-British astronomer William Herschel on the 18th July 1789.http://astronomy.activeboard.com/t58091060/ngc-6793/NGC 6938 was discovered by German-British astronomer William Herschel on the 18th July 1784.http://astronomy.activeboard.com/t58091018/ngc-6938/
SN 1895B was discovered by W. Fleming on 1895 December 12 by examination of a spectrum plate taken on 1895 July 18. http://astronomy.activeboard.com/t58090375/supernova-1895b/The moon Callirrhoe was discovered to be in orbit around Jupiter by Tim Spahr on July 18, 2000http://www.minorplanetcenter.net/iau/pressinfo/S1999J1.htmlThe discovery of Anthe, a satellite of Saturn, was first announced on July 18, 2007 http://en.wikipedia.org/wiki/Anthe_(moon)
Fragment G of Comet Shoemaker-Levy 9 struck Jupiter on July 18, 1994, at 07:33 UTC.http://en.wikipedia.org/wiki/Comet_Shoemaker-Levy_9#ImpactsComet 57P/du ToitNeujminDelporte was discovered on July 18, 1941http://en.wikipedia.org/wiki/57P/du_Toit%E2%80%93Neujmin%E2%80%93Delporte
MeteoritesPort Orford Meteorite: Is it a hoax?http://astronomy.activeboard.com/t43806730/bald-mountain-meteorite/The Ferguson (Ordinary chondrite) meteorite fell in North Carolina, USA, on the 18th July 1889.http://astronomy.activeboard.com/t43953393/ferguson-meteorite/The Phuoc-Binh (L5 chondrite) meteorite fell in Quang Nam-Da Nang, Vietnam, on the 18th July 1941.http://astronomy.activeboard.com/t43953721/phuoc-binh-meteorite/The Desuri (H6 chondrite) meteorite fell in Rajasthan, India, on the 18th July 1962.http://astronomy.activeboard.com/t43953733/desuri-meteorite/