Mandarin Chinese includes a type of dialect.
=== Old Mandarin ===After the fall of the Northern Song (9591126) and during the reign of the Jin (11151234) and Yuan (Mongol) dynasties in northern China, a common form of speech developed based on the dialects of the North China Plain around the capital, a language referred to as Old Mandarin
 This classification is controversial, as a number of researchers view Beijing and Northeastern Mandarin as a single dialect group

