tiến (March to the South), Khmer and Cham territory was seized and militarily colonised by the Vietnamese. The Nguyen Lords established đồn điền after 1790. The South Vietnamese and Communist Vietnamese colonisation of the Central Highlands have been compared to the historic Nam tiến of previous Vietnamese rulers. The South Vietnamese leader Diem sponsored colonisation of Northern Vietnamese Catholic refugees on Montagnard land. The now Communist Vietnamese government introduced to the Central Highlands of "New Economic Zones". Japan Tuntian is pronounced tonden as a Sino-Japanese word. It was most notably practiced during the Meiji Restoration in frontier Hokkaido under the name tondenhei ("tonden-soldiers"). Korea The Sino-Korean reading of tuntian is dunjeon (or tunjŏn in the North Korean Romanization). Dunjeon was a core part of the Korean military supply and was notable in the following instances: During the Qing invasion of Joseon, at Namhansanseong. This system supported a population of 25,000, 10,000 of which were combatants. During the Imjin War, under Yi Sun-sin. He managed dunjeon both as part of his repeated demotion (due to court politics) and on his naval base of Hansando. Place names Places with a history of tuntian cultivation may be named after the practice. , Japan , Chūō-ku, Sapporo, Japan Dunjeon station, Yongin, South Korea Tunjon station, South Hamgyong Province, North Korea The following areas contain place names derived from a systematic tuntian designation: Various place names in Taiwan, under Koxinga's rule, commonly ending with or . Various place names in China, especially Xinjiang, Inner Mongolia, and Heilongjiang. See also Agriculture in China Economic history of China Theme (Byzantine district) References Bibliography Chen, Shou. Records of the Three Kingdoms (Sanguozhi). Pei, Songzhi. Annotations to Records of the Three Kingdoms (Sanguozhi zhu). Sima, Guang. Zizhi Tongjian. History of agriculture in China Han dynasty