Mandarin Chinese, an emerging key world business language, has become a foreign language option for some UK students in recent decades. Research into state secondary schools in England shows that only 7-8% offered Chinese as a subject in 2005 with this number nearly doubling to 13% in 2015. By 2020, the UK government hopes to have 400,000 students enrolled in Mandarin courses. In China, although Mandarin is the first language of the majority Han population, 106.43 million or 8.41 percent of the total population in China are ethnic minorities who speak other languages. While a high number of these also learn Mandarin as a second language, how different is the Mandarin taught to them compared with that taught to the mother-tongue Han students or to foreign students worldwide? Has this changed over time? In this blog, I will showcase how one particular ethnic minority group in China, the Mongolians, have been taught Mandarin pronunciation over the last hundred years.