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The concept of the Unicode character set began in 1987, thanks to Joe Becker from Xerox and Mark Davis from Apple. The following year, Becker, Davis, and Lee Collins (currently of Xerox; formerly of Apple) began investigating the design and soon made the case for Han unification to ANSI, ISO. Unicode is, indeed, based on the historic evolution of the Chinese character set (Han). Several people from various high tech companies began holding bimonthly meetings in 1989. By the end of 1990 , an initial, full-review draft was created. In 1991, the group became the Unicode Consortium, a non-profit organization incorporated as Unicode, Inc. Version 1.0 became available to the public for the first time in 1992.
Vine, Andrea and Bill Hall. SDL International (1998). Articles>Language>Localization>Unicode