1The publication of the Declaration of Independence on July 4, 776 was an epoch-making event in American history and an important chapter in world history. Marx, the revolutionary mentor, spoke highly of his historical position and called it "the first declaration of human rights". [1] Since liberation, China historians have also made great achievements in this field and published many papers and monographs. There are also special chapters in general world history and European and American modern history monographs, which is one of the most fruitful fields of world history research in China since liberation.