Laozi canonized as Tang imperial ancestor

666 · Chang'an, the Tang capital (Xi'an, Shaanxi, China)

The Tang imperial house, surnamed Li like the sage's own traditional family name, claimed descent from Laozi, and in 666 the emperor Gaozong canonized him with the title Supreme Emperor of Mysterious Origin. The founder of Daoism thereby became the ancestor of China's ruling house, the Daodejing became an examination text, and Daoist priests stood before Buddhist monks in the court's order of precedence for as long as the dynasty lasted.

Tagged: Celestial Masters and Zhengyi Daoism

The Event

Date
666 (exact)
Era
Tang Imperial Daoism; Standard periodization of Daoist history
Location
Chang'an, the Tang capital; today Xi'an, Shaanxi, China
Traditions
Daoism
Streams
Celestial Masters and Zhengyi
Key figures
Emperor Gaozong of Tang, Laozi
Key texts
Daodejing

Primary Sources

  • The Tang court record of the canonization of Laozi.

Secondary Sources

  • Kirkland, Russell. Taoism: The Enduring Tradition. Routledge, 2004.
  • Little, Stephen, and Shawn Eichman. Taoism and the Arts of China. Art Institute of Chicago, 2000.

Provenance: HIST-0808; confidence 0.95; accessed 2026-10-28.

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