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.
Notable Mass Shooting Events . On June 12, 2016, a gunman gunned down 49 people at a gay nightclub in Orlando, and is considered the deadliest mass shooting in the United States. On December 4, 2012, a gunman in Newtown, Connecticut opened fire and killed 27 people, with 20 of these victims being children aged between 5 and 10 years old. The shooting took place at an elementary school, and the gunman committed suicide shortly thereafter.