Episode 2 of 2

Ratification of the Treaty

Name: Ratification of the Treaty
Start: 1855-02-21
Location: Tokugawa Shogunate

When: February 21, 1855
Where: Tokugawa Shogunate
Part of: Perry signs the Convention of Kanagawa opening Shimoda and Hakodate

The Convention of Kanagawa was ratified on February 21, 1855.

The treaty was ratified on February 21, 1855. The Tokugawa shogunate noted that the treaty was not signed by the shogun or his Rōjū, but it averted immediate military confrontation.

Sources

Convention of Kanagawa Wikipedia, revision of 2026-05-01

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.