国立西南联合大学
In August 1937, still during the Sino-Japanese War, Nankai University, Peking University and Tsinghua University united together and formed the National Changsha Provisional University, which later moved to Kunming and was renamed the National Southwestern Associated University. On April 2, it was renamed "National Southwestern Associated University. In 1946, after the war, Nankai returned to Tianjin and was reformed into a national university by the government. At that time, Nankai had four schools (Liberal Arts, Science, Political Science and Economics, and Engineering) and 16 departments.