What is the largest category of books for China history editors?

The Yongle Grand Ceremony was completed in November of the fifth year of Yongle (A.D. 1407), and Judy, the founding emperor of the Ming Dynasty, personally prefaced it.

As early as July in the first year of Yongle (A.D. 1403), Ming Taizu Chengzu ordered Hanlin to read bachelor's books, such as Xu Jie. Taking Yun Yu and Hui Xi as examples, this paper collects the things contained in each book, sorts them according to their categories, and unifies their rhymes. Jie Jin and others were ordered to compile it, and it was submitted in the following year 1 1 month, and Judy named it "Literature Dacheng". Later, I thought that there were many omissions in the book, so I ordered Yao and Liu Jichi to edit it again, and specially appointed five presidents, including Wang Jing and Wang Da, 20 vice presidents, including Zou Ji and Chen Ji. , as the president, and recruited Chinese and foreign historians and literary scholars from all directions to compile, and selected imperial academy and county students with good calligraphy to write, and Guanglu Temple provided food. At the same time, officials were sent to all parts of the country to search for suicide notes for inclusion. Completed in five years, renamed Yongle Dadian, volume 22937, 1 1095.

Yongle Dadian is the largest book in the history of China, and it is also recognized as a large encyclopedia in the world.