Science & technology

Release of The Unicode Standard

October 1991

The Unicode Standard is the system that assigns a unique number to each character used in written languages, so that computers can store and exchange text regardless of platform or program. Before it, there were hundreds of incompatible encodings, most limited to a few scripts. The standard grew out of work in the late 1980s by engineers at Xerox and Apple, including Joe Becker, Lee Collins and Mark Davis, and the Unicode Consortium was incorporated in 1991. Version 1.0 was published in October 1991. The UTF-8 encoding, created in 1992, became the dominant way to store Unicode text on the web. The standard now covers well over a hundred thousand characters in scripts from around the world, along with historic scripts and emoji.

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