Achievements of Chinese Historical Geography in the 20~(th) Century

Viewed from a traditional Chinese opinion, the Yu-Di-Xue was only an attachment of history. Emerging from its womb, historical geography of China has been growing up sturdily since 1930' s and has become a very important branch of history and geography since 1950 s and 1960 s.The historical geographical theory has become more and more perfect. Many works and essays of this subject were published . The great progress has been made in the area of historical physical geography, and meanwhile, historical human geography has been developing quickly since the end of 1970 s. During the last twenty years there have been a lot of academic breakthroughs within fields of historical administrative division, historical territory, historical industry geography, historical population geopgaphy, historical urban geography, historical military geography,historical communication geography,historical social and cultural geography , ancient geographers and geographical documents, historical environmental changes, etc.All of them have made it clear that there will be a bright future of this subject.