ISO/IEC 8859-13
Single byte character encoding for Baltic languages
ISO/IEC 8859-13:1998, Information technology — 8-bit single-byte coded graphic character sets — Part 13: Latin alphabet No. 7, is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 1998. It is informally referred to as Latin-7 or Baltic Rim. It was designed to cover the Baltic languages, and added characters used in Polish missing from the earlier encodings ISO 8859-4 and ISO 8859-10. Unlike these two, it does not cover the Nordic languages. It is similar to the earlier-published Windows-1257; its encoding of the Estonian alphabet also matches IBM-922. This is also known as Latvian standard LVS 8.
ISO-8859-13 is the IANA preferred charset name for this standard when supplemented with the C0 and C1 control codes from ISO/IEC 6429.
Microsoft has assigned code page 28603 a.k.a. Windows-28603 to ISO-8859-13.
This brief starts where responsible research should: with the source description of “ISO/IEC 8859-13” as single byte character encoding for Baltic languages. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as single byte character encoding for Baltic languages. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 10, 2026. The linked authority identifier is Q1639650. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1998 and 1257.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Questions for further research
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This entry incorporates text from “ISO/IEC 8859-13” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.