The History of the Sui and Tang Dynasties consists of two major sections, the History of the Sui and the History of the Tang. It explains and discusses historical events and figures from the Sui and Tang periods, covering many areas, including politics, the economy, culture, and military affairs. Topics include the Turkic question, the history of the Four Garrisons, the Niu-Li factional strife, the fubing militia system, the relationship between the equal-field system and the zu-yong-diao tax system, changes in official posts, and the spread of religion.
