T.51 | ISO/IEC 6937 (a multi-byte extension of ASCII) 1987: ISO/IEC 8859-1:1987 (8-bit character encoding) Subsequently, other versions and parts of ISO/IEC 8859 have been published. Mid-to-late 1980s: Windows-1250, Windows-1252, and other encodings used in Microsoft Windows (some roughly similar to ISO/IEC 8859-1) 1990: Unicode 1.0 (developed by the Unicode Consortium),[7][8] contained in the block "C0 Controls and Basic Latin" using the same alphabetic code values as ASCII and ISO/IEC 646 Subsequently, other versions of Unicode have been published and it later became a joint ISO/IEC standard as well, as identified below. 1993: ISO/IEC 10646-1:1993, ISO/IEC standard for characters in Unicode 1.1 Subsequently, other versions of ISO/IEC 10646-1 and one of ISO/IEC 10646-2 have been published.