Introduction: This article explores the cultural golden age of Emperor Taizong’s Zhenguan reign. It highlights his religious tolerance, revival of Confucian scholarship, standardized classics, and music reforms. It also covers his succession struggles and tragic death from alchemy, leaving a lasting legacy of enlightened governance.
Zheng Xuan (127–200 CE) was a preeminent Confucian classicist of the Eastern Han dynasty. His courtesy name was Kangcheng, and he was a native of Gaomi, Beihai Commandery (in present-day Gaomi, Shandong).