2012 Event Astronomers have identified the nearest planet outside of our Solar System, Alpha Centauri B, which circles its star much closer than Mercury orbits our Sun 2011 Event In Guinea, up to 80 people, including soldiers, are arrested for a failed assassination attempt on President Alpha Conde, which occurred July 19 1988 Event North Sea oil platform Piper Alpha explodes, 166 die 1953 Birthday Alpha Blondy, Seydou Kone, Ivory coast, reggae singer, Jerusalem 1913 Event Alpha Kappa Alpha Sorority, at Howard University, incorporates 1911 Event Kappa Alpha Psi Fraternity, Indiana University, incorporates 1908 Event Alpha Phi Alpha Fraternity, at Cornell University, incorporates 1906 Event Alpha Phi Alpha, 1st Black Greek Letter Fraternity, forms 1870 Event 1st sorority (Kappa Alpha Theta) (DePauw U in Greencastle, Indiana) 1839 Event Thomas Henderson measures 1st stellar parallax (Alpha Centauri) 1825 Event 1st college fraternity founded (Kappa Alpha (Union College, New York))
