Alpha hydrogens in an ester. Alpha hydrogens in an alkyl bromide. 1  Related terms: Î²-carbon, beta-carbon, primary hydrogen, secondary hydrogen, tertiary hydrogen, Î²-hydrogen, beta-hydrogen, Î²-elimination, Î±-helix, Î²-sheet.lpha hydrogens in an ester. Alpha hydrogens in an alkyl bromide. 1  Related terms: Î²-carbon, beta-carbon, primary hydrogen, secondary hydrogen, tertiary hydrogen, Î²-hydrogen, beta-hydrogen, Î²-elimination, Î±-helix, Î²-sheet.
September 14, 1989 The Standard Gravure shooting occurred on  September 14, 1989, in Louisville, Kentucky, when Joseph T. Wesbecker, a 47-year-old pressman, killed eight people and injured twelve at his former workplace, Standard Gravure, before committing suicide.
United States Capitol shooting incident (1998) The United States Capitol shooting incident of 1998 was an attack on July 24, 1998, which led to the death of two United States Capitol Police officers. Detective John Gibson and Officer Jacob Chestnut were killed when Russell Eugene Weston, Jr., entered the Capitol and opened fire.