There are many styles of history books in history.

National style: take the country as the unit and record historical events respectively.

Mandarin, Warring States Policy and the History of the Three Kingdoms

Chronological style: arranging related historical events with chronological clues. Chronological history books take time as the center and record historical events in the order of year, month and day.

Chunqiu, Zuo Zhuan and Zi Tongzhi Jian.

Ji Chuanti:

A form of East Asian history books is a compilation style of history books with biographies and characters as the key link and time as the latitude, which reflects historical events. The outstanding feature of biographical history books is to focus on a large number of biographies, which is a further combination of memorizing words and taking notes. From the genre form, biographical style is the synthesis of biography, biography, record, historical table and historical theory.

Historical Records and Hanshu