Strengthening of the Edo Shogunate's Sankin-kōtai System

Name: Strengthening of the Edo Shogunate's Sankin-kōtai System
Start: 1661
End: 1670

Type Event Region Japan Time 1661–1670

In the 1660s, the Tokugawa Ietsuna shogunate tightened enforcement of sankin-kōtai beyond its 1630s framework: regulating daimyō routes to Kyoto and …

Timeline

1665Edo Castle · EdoDuring the reign of the fourth shogun Tokugawa Ietsuna, the shogunate, in council with the senior councillors, supplemented the sankin-kōtai rules in place since 1635, specifying daimyō frequency of Kyoto attendance, length of stay in Edo, and rules for domain residence during absence, turning the system from a principled requirement into auditable administrative obligations.
1665Tōkaidō and Nakasendō · JapanThe shogunate designated that daimyō on sankin duty must travel along post roads and register their lodging, prohibiting unauthorized detours and private checkpoints; daimyō residences along the way and the size of domain retinues were monitored, so sankin served both as a display of political loyalty and as a mechanism of financial drain.

Sources

Cambridge History of Japan, Volume 4: Early Modern Japan — John Whitney Hall et al. (1991)