Sixteen countries in the Eastern Jin Dynasty, Southern and Northern Dynasties: On the basis of the original Luoyang pronunciation, Luoyang dialect was merged into the new Luoyang pronunciation, which was used as the official language.
Sui, Tang and Song Dynasties: Luoyang Andrew has always been the official language. Luoyang dialect should be the standard pronunciation.
Yuan Dynasty: Mongolian education was implemented in the Yuan Dynasty, and many Mongolian words entered the Chinese system, forming a complementary form between China and Mongolia.
Ming Dynasty: Nanjing dialect, based on Yayin in the Central Plains and Jianghuai Mandarin, is in the Chinese language. Ming Taizu moved the capital to Beiping, that is, taking Beiping pronunciation as the standard and Nanjing pronunciation as the basis, forming a new Mandarin.
Qing Jin: Beijing dialect gradually replaced Luoyang dialect in the mainstream position in office, diplomacy and social occasions, and became the "official dialect" for the upper class to communicate with the whole society.
Modern: Now it's Mandarin.
Hope to adopt