Home›Categories›Open QuestionsCategoriesOpen QuestionsCitation FormatsGeneral ReferenceGeneral Reference Citation TextLanguage Atlas. "Open Questions." Accessed August 30, 2026. https://dev-language.interactiveatlas.org/categories/open-questions-index.Copy General ReferenceAPA StyleAPA Style Citation TextLanguage Atlas. (n.d.). Open Questions. Retrieved August 30, 2026, from https://dev-language.interactiveatlas.org/categories/open-questions-indexCopy APA StyleBibTeXBibTeX Citation Text@misc{languageatlas-open-questions, author = {Language Atlas}, title = {Open Questions}, year = {2026}, url = {https://dev-language.interactiveatlas.org/categories/open-questions-index}, note = {Accessed August 30, 2026} }Copy BibTeXReference and ClassificationDevelopingCross-Tradition ConnectionsComments (0)Reader Challenges (0 open reader challenges)Cross-Tradition ConnectionsContainsDoes Haida belong within the Na-Dene family, or is it an unrelated language isolate?, Open Questions Well-attested How many speakers do the Iroquoian languages total today?, Open Questions Well-attested How many speakers do the languages grouped under the proposed Altaic family actually total?, Open Questions Well-attested How many speakers do the Na-Dene languages total today?, Open Questions Well-attested How many speakers do the Pama-Nyungan languages total today?, Open Questions Well-attested Is Joseph Greenberg's Amerind grouping of the indigenous languages of the Americas a valid genetic family?, Open Questions Well-attested Is rongorongo a true writing system, and what does it record?, Open Questions Well-attested What language does Linear A encode?, Open Questions Well-attested When Was Panini Born?, Open Questions Well-attested Comments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0 open reader challenges)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.View At A Past YearThe atlas records no dated fact of its own for this entry, so there is no other year to choose.Show This Year