+Old Bulgarian is the earliest attested literary form of the [Slavic Languages](/wiki/slavic_languages). Emerging in the 9th century, it was foundational for the development of [Cyrillic Script](/wiki/cyrillic_script) and the dissemination of Christian culture among Slavic peoples.
+## See also
+- [Proto-Slavic](/wiki/proto-slavic)
+- [Bulgarian Language](/wiki/bulgarian_language)
+- [Church Slavonic](/wiki/church_slavonic)
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