+Breton is a [Celtic Language](/wiki/Celtic_Language) historically spoken in [Brittany](/wiki/Brittany), France. It is unique as the only modern Celtic tongue spoken on the European mainland, a descendant of ancient Brythonic speech. Though once widespread, its number of speakers has declined, prompting revitalization efforts.
+## See also
+- [Gallo Language](/wiki/Gallo_Language)
+- [French Language](/wiki/French_Language)
+- [Language Endangerment](/wiki/Language_Endangerment)
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