Secondary sourceBookfinished 111 CE
Book of Han
Ban Gu (with Ban Zhao and Ban Biao) · finished 111 CE
Official Han dynasty history by Ban Gu that records Emperor Gaozu's reign and edicts as founder of the dynasty.
Preserves Gaozu's edicts and the official dynastic account of his founding of the Han dynasty.

About this source
What it is
The Book of Han is one of China's official dynastic histories, covering the Western Han dynasty from its founding by Emperor Gaozu to the fall of the usurper Wang Mang. It was compiled by the Eastern Han scholar Ban Gu, with help from his sister Ban Zhao and drawing on earlier work by their father Ban Biao, and finished in 111 CE. The copy shown is a later Ming dynasty printed edition held in a library collection.
Why it matters
This history preserves Emperor Gaozu's imperial edicts and the official account of his founding of the Han dynasty, making it a key source for understanding how the dynasty wanted its first emperor to be remembered. It set the model for how later Chinese dynasties wrote their own histories, and remains a major source for studying the Han period, including early contacts with neighboring peoples.
Look closer
- Why might a history written generations later, by court officials, present Gaozu in a particular way?
- What kinds of documents, like edicts, does this text preserve that we might not otherwise have?
- How does an official history differ from a personal account like a diary or letter?
This book is part of the curated material that grounds the AI version of Liu Bang (Gaozu of Han) on Humy.ai — when students ask about related events, the AI can quote it and cite it.
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