June 28th, 1990
Paperback Software International Ltdied in 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. event on June 28, 1990. Read about how to open files in Open File Database.
Events around June 28, 1990
| June 30th, 1990 | Event | East Germany and West Germany merge their economies. |
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