What is "dachanghe"

Dachanghe or possibly Da Changhe (大長和; literally "Great Long Harmony") was a kingdom from 902 to 928 in modern Yunnan, China. Founded by Zheng Maisi , it was the successor state of the Kingdom of Nanzhao (738–902), whose ruling Meng family was mass-murdered in a bloody coup by Zheng. The Zheng family suffered a similar fate 26 years later at the hands of Yang Ganzhen , who helped found a state named Datianxing (928–929).

Dachanghe bordered Former Shu to its north.