# Jōkyū War (1221)

URL: https://history-japan.com/timeline/1221-jokyu-war
Location: Japan
Categories: battle

Retired Emperor Go-Toba attempted to overturn Kamakura authority. Forces of the warrior government defeated his supporters and expanded their control over court affairs and estates. The outcome strengthened the Hōjō regents rather than abolishing the imperial institution.

Ruler at the time: [Hōjō Yoshitoki](https://history-japan.com/rulers/hojo-yoshitoki)

## Sources
- [en.wikipedia.org](https://en.wikipedia.org/wiki/Jōkyū_War)