First time: 1988
State key discipline of specialized history:
Xiamen University (Economic History, Subject Leader: Korea Pan)
There is also: (Northwest University was once a national key discipline of specialized history (the history of ideas), led by Zhang Qizhi)
The second time: 2002
State key discipline of specialized history:
Xiamen University (Economic History)
Sichuan University (Local History)
The third time: in 2007, it was divided into first-class key disciplines and second-class key disciplines.
National first-class key discipline universities of history: Peking University and Nankai University.
Professional History: Tsinghua University, Xiamen University, Sichuan University, Yunnan University and Northwest University.