Pugu Huai'en, Chinese general during the Tang dynasty

Pugu Huai'en, formally the Prince of Da'ning (大寧王), was a general of the Chinese Tang dynasty of Tiele ancestry. He was instrumental in the final suppression of the Anshi Rebellion, but rebelled against Emperor Daizong in fear that he was being accused of treason. After an initial defeat by other Tang generals, he led his own forces, allied with forces of the Uyghur Khaganate and Tibetan Empire, to attack the Tang capital Chang'an, but died on the way.

The Tang dynasty, or the Tang Empire, was an imperial dynasty of China that ruled from 618 to 907, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdoms period. Historians generally regard the Tang as a high point in Chinese civilisation, and a golden age of cosmopolitan culture. Tang territory, acquired through the military campaigns of its early rulers, rivalled that of the Han dynasty.