A total solar eclipse occurred on April 28, 1930http://en.wikipedia.org/wiki/Solar_eclipse_of_April_28,_1930
The Salisbury Cathedral foundation stone was laid on 28 April 1220http://en.wikipedia.org/wiki/Salisbury_CathedralGrapple Y thermonuclear bomb was detonated off Kiritimati on April 28, 1958http://en.wikipedia.org/wiki/Operation_Grapple#Grapple_Y
The Dutch East India Company ship Vergulde Draeck was wrecked on 28 April 1656http://astronomy.activeboard.com/t56674082/burts-ring-of-stones/Kon-Tiki expedition began on April 28, 1947. http://astronomy.activeboard.com/t42547853/kon-tiki/The mutiny on the Bounty occurred on 28 April 1789http://astronomy.activeboard.com/t35386072/mutiny-on-the-bounty/
The Vela 7, and Vela 8 satellites were launched on the 28th April 1967http://rammb.cira.colostate.edu/dev/hillger/OV5-1_and_3_and_US-ERS-18_and_Vela-7_and_8_cover2.jpgSTS-39 was launched on the 28th April 1991http://en.wikipedia.org/wiki/STS-39
Soyuz TM-32 was a manned Russian spacecraft which was launched on April 28, 2001http://en.wikipedia.org/wiki/Soyuz_TM-32The Galaxy Evolution Explorer (GALEX) was an orbiting ultraviolet space telescope launched on April 28, 2003. http://en.wikipedia.org/wiki/Galaxy_Evolution_ExplorerThe CALIPSO environmental satellite was launched atop a Delta II rocket on April 28, 2006. http://en.wikipedia.org/wiki/CALIPSO
Jerome III "Jay" Apt, Ph.D. (born April 28, 1949 in Massachusetts) is an American astronaut http://en.wikipedia.org/wiki/Jerome_AptLéopold Eyharts is a Brigadier General in the French Air Force and an ESA astronaut.http://en.wikipedia.org/wiki/L%C3%A9opold_EyhartsJohn Oliver Creighton (born April 28, 1943) is a former NASA astronauthttp://en.wikipedia.org/wiki/John_Oliver_CreightonYi Sun-sin (April 28, 1545 - December 16, 1598) was a Korean naval commander,http://astronomy.activeboard.com/t48918421/lee-sun-sin-1545-1598/Eberhard Friedrich Michael Rees (April 28, 1908 - April 2, 1998) was a German-American rocketry pioneerhttp://en.wikipedia.org/wiki/Eberhard_ReesKurt Friedrich Gödel (April 28, 1906 - January 14, 1978) was an Austrian/American logicianhttp://astronomy.activeboard.com/t48918401/kurt-gdel-1906-1978/Sir Terence David John "Terry" Pratchett (28 April 1948 - 12 March 2015) was an English authorhttp://en.wikipedia.org/wiki/Terry_PratchettMichael H. Hart (born April 28, 1932) is an American astrophysicist and authorhttp://en.wikipedia.org/wiki/Michael_H._HartJohn Lee (28 April 1783 - 25 February 1866) was an English philanthropist and astronomerhttp://en.wikipedia.org/wiki/John_Lee_(astronomer)Eugene Merle Shoemaker (April 28, 1928 - July 18, 1997) was an American geologisthttp://en.wikipedia.org/wiki/Eugene_Merle_ShoemakerJacques Laskar (born 28 April 1955 in Paris) is a French astronomer.http://en.wikipedia.org/wiki/Jacques_LaskarJohan Oskar Backlund (April 28, 1846 - August 29, 1916) was a Swedish-Russian astronomer.http://en.wikipedia.org/wiki/Oskar_BacklundBart Jan Bok (28 April 1906 - 5 August 1983) was a Dutch-American astronomerhttp://en.wikipedia.org/wiki/Bart_BokJan Hendrik Oort (Franeker, 28 April 1900 - Leiden, 5 November 1992) was a Dutch astronomer.http://astronomy.activeboard.com/t48918409/jan-oort-1900-1992/Francis Baily (28 April 1774 - 30 August 1844) was an English astronomer http://en.wikipedia.org/wiki/Francis_BailyJanis Ikaunieks (28 April 1912 Riga - 27 April 1969 Riga) was a Latvian astronomer http://en.wikipedia.org/wiki/J%C4%81nis_Ikaunieks
NGC 3781 was discovered by French astronomer Edouard Jean-Marie Stephan on the 28th April 1881.http://astronomy.activeboard.com/t57410607/ngc-3781/NGC 3784 was discovered by French astronomer Edouard Jean-Marie Stephan on the 28th April 1881.http://astronomy.activeboard.com/t57410606/ngc-3784/NGC 3785 was discovered by French astronomer Edouard Jean-Marie Stephan on the 28th April 1881.http://astronomy.activeboard.com/t57410605/ngc-3785/NGC 3813 was discovered by German-British astronomer Frederick William Herschel on the 28th April 1785.http://astronomy.activeboard.com/t57410602/ngc-3813/NGC 4163 was discovered by German-British astronomer Frederick William Herschel on the 28th April 1785.http://astronomy.activeboard.com/t57410597/ngc-4163/NGC 4467 was discovered by Russian astronomer Otto Wilhelm von Struve using on the 28th April 1851.http://astronomy.activeboard.com/t57410594/ngc-4467/
On April 28, 1905, William H. Pickering announced the discovery of a tenth satellite of Saturnhttp://en.wikipedia.org/wiki/Themis_(hypothetical_moon)Asteroid (509) Iolanda was discovered by Max Wolf on April 28, 1903 in Heidelberghttp://en.wikipedia.org/wiki/509_IolandaAsteroid (750) Oskar was discovered by Johann Palisa on April 28, 1913 in Vienna.http://en.wikipedia.org/wiki/750_Oskar
On April 28, 1984, a remarkable outburst of the normally placid Alpha Bootids was observed.http://en.wikipedia.org/wiki/Bo%C3%B6tes#Meteor_showers
MeteoritesThe Aba Pseudometeorite is reported to have fallen in Kanto, Japan, in 28 April, 1927. http://astronomy.activeboard.com/t54071588/aba-meteorite/The Bherai (L6) meteorite fell in Gujarat, India, on the 28th April, 1893.http://astronomy.activeboard.com/t48918380/bherai-meteorite/The Gumoschnik (H5) meteorite fell in Lovech, Bulgaria, on the 28th April, 1904.http://astronomy.activeboard.com/t48918391/gumoschnik-meteorite/