In 1939 "Siam" was changed the old name become to new name is "Thailand". Which to changed the name of the country for that came into use only after its formal appearance in the original nineteenth-century treaties with Britain and France. “Thailand” is a literal translation of the Thai-language name for the country. The changed name symbolized the abrogation of the old treaties and declared that the Thai state warranted a legal status on par with that of the imperial powers of the world.