The contributions of historical geography research in the twentieth century to the concept of "Chinese nation".

The Chinese nation has evolved through history and is inextricably linked with geographical factors. Since the inception of the concept of "Chinese nation" in the twentieth century, Chinese scholars have made significant contributions to understanding this concept from a historical geography perspective. This paper undertakes an examination and discussion of these contributions, highlighting three main aspects in which Chinese scholars in the twentieth century have significantly enhanced the concept of "Chinese nation" from a historical geography perspective: firstly, escaping the trap of "China Proper" and comprehensively understanding the Chinese nation from a geographical perspective; secondly, breaking the spatial barrier set up by the Great Wall, endowing the Chinese nation with a complete geographical space; thirdly, The Historical Atlas of China clarifying the connection between historical China and modern China, providing a comprehensive geographical basis for understanding the formation and development of the Chinese nation. The paper, contextualized within the historical backdrop, provides an analysis and discourse on these three aspects, indicating that the contributions of scholars in the twentieth century were instrumental in refining the concept of the Chinese nation from a historical geography perspective, illustrating the inseparable connection between nation and geography. Only through the organic integration of history, nation, and geography can we fully grasp the historical trajectory and geographical foundation of the Chinese nation. [ABSTRACT FROM AUTHOR]