In epigraphy, a bilingual is an inscription that is extant in two languages (or trilingual in the case of three languages, etc.). Bilinguals are important for the decipherment of ancient writing systems, and for the study of ancient languages with small or repetitive corpora.
Important bilinguals include:
The manuscript titled Relación de las cosas de Yucatán (1566) shows the de Landa alphabet (and a bilingual list of words and phrases), written in Spanish and Mayan; it allowed the decipherment of the Pre-Columbian Maya script in the mid-20th century.
Important trilinguals include:
Important quadrilinguals include:
Important multilinguals include:
Notable modern examples include: