研究历史无非是研究“变化”贰字,变化愈大者愈能激起史学家之兴趣,进而视那段时间为历史之重笔,研究得愈加透彻深入,这也就是为何远古之历史可以浓缩为几万年一个时间跨度,而近代之历史经过不到百年就进入了一个新的阶段,以前著变化甚慢,而后著变化愈快也。而中国之历史,其变化甚大者,于笔者看来,中国“1840—1949”年的这段历 The study of history is nothing more than the study of “change ” II words, the more the more those who change can stimulate the interest of historians, and then view the history of the time as a pen, the study has become more thorough, which is why ancient history It can be condensed into a time span of tens of thousands of years. However, the history of modern times has entered a new stage in less than a century. Previously, it changed slowly and then changed rapidly. The history of China, its great change, in my opinion, China “1840-1949 ” year of this calendar