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Please see its listing on Pages needing attention and (Some entries on this page have been duplicated on August 1. See Talk:August_1. The correct dates for such events need to be determined.)
1988 - Five workers asphyxiated at a metal-plating plant in Auburn, Indiana, in the worst confined-space industrial accident in U.S. history.
1990 - Paperback Software, a company founded by Adam Osborne, found guilty by a U.S. court of copyright violation for copying the appearance and menu system of Lotus 1-2-3 in its competing spreadsheet program.