Throughout the period of Chinese domination, classical Chinese was the country's official language and the main vehicle for philosophy, poetry and history, being replaced by Vietnamese only in the 15th century.
在中國統治時期，越南以文言漢語作為官方語言和哲學、詩歌、編史工作的主要用語；直到十五世紀的李氏王朝才改用越語為國語。