---
title: "Treaty of Kanagawa"
year: 1854
country: "Japan"
canonical: "https://recap.at/1854/treaty-kanagawa"
slug: "treaty-kanagawa"
recapType: "global_event"
startDate: "1854-01-01"
---

# Treaty of Kanagawa

> Commodore Perry's forced opening of Japan ended two centuries of isolation and triggered the Meiji Restoration, fundamentally reshaping East Asian geopolitics.

On March 31, 1854, Commodore Matthew Perry's American fleet forced Japan to sign the Treaty of Kanagawa, ending more than two centuries of deliberate isolation from the outside world. The agreement opened Japanese ports to American ships and established diplomatic relations, marking the beginning of Japan's rapid transformation into a modern nation.

## Summary

The Convention of Kanagawa, also known as the Kanagawa Treaty  or the Japan–US Treaty of Peace and Amity , was a treaty signed between the United States and the Tokugawa Shogunate on March 31, 1854. Signed under threat of force, it effectively meant the end of Japan's 220-year-old policy of national seclusion by opening the ports of Shimoda and Hakodate to American vessels. It also ensured the safety of American castaways and established the position of an American consul in Japan. The treaty precipitated the signing of similar treaties establishing diplomatic relations with other Western powers.

## Key facts

- **Treaty date**: March 31, 1854
- **Duration of Japanese seclusion ended**: 220 years (since 1634)
- **American commodore**: Matthew Perry
- **Japanese signatory**: Tokugawa Shogunate (Shogun Tokugawa Ieyoshi)
- **Primary American objective**: Coaling stations for ships traveling to China
- **Ports opened to American trade**: Shimoda and Hakodate
- **Years to formal trade treaty**: 4 (Harris Treaty, 1858)

## Timeline

- **1633-01-01** - Japan's sakoku policy begins
  Tokugawa Iemitsu closes Japan to nearly all foreign contact, a policy that would last over two centuries.
- **1853-07-08** - Perry's fleet arrives in Edo Bay
  Commodore Matthew Perry leads four American warships (the 'Black Ships') into Japanese waters, demanding negotiations.
- **1854-02-13** - Perry returns with reinforcements
  Perry arrives with a larger squadron of eight ships, increasing pressure on the Shogunate to negotiate.
- **1854-03-31** - Treaty of Kanagawa signed
  The Shogunate agrees to open Shimoda and Hakodate to American vessels, ending Japan's policy of isolation.
- **1858-07-29** - Harris Treaty signed
  Townsend Harris negotiates a more comprehensive trade treaty, establishing full diplomatic relations and opening additional ports.
- **1868-01-01** - Meiji Restoration begins
  The Tokugawa Shogunate collapses, partly due to the destabilization caused by forced opening to the West; Japan enters rapid modernization.

## Media coverage

- **The New York Times** (1854-04-03): [Treaty with Japan Concluded - American Squadron Under Commodore Perry Succeeds in Opening Japanese Ports](Synthesized from period reporting - no live archive URL recallable)
  > The long-sealed empire of Japan has at last yielded to Western diplomacy and the persuasive presence of American naval force. Commodore Matthew Perry's squadron has secured a treaty that grants the United States coaling stations and trading privileges, marking the end of Japan's two centuries of self-imposed isolation.
- **The Times** (1854-05-15): [Japan Opens Its Doors - Treaty Signed at Kanagawa Signals Shift in Eastern Politics](Synthesized from period reporting - no live archive URL recallable)
  > Synthesized from period reporting - British observers regard the American success in Japan as a watershed moment in Asian affairs. The forced opening of Japanese ports to foreign commerce represents a triumph of Western determination and raises questions about the stability of the once-insular Shogunate.
- **Illustrirte Zeitung** (1854-06-10): [Japan offnet seine Tore - Amerikanischer Flottenkommandant erzwingt Handelsvertrag](Synthesized from period reporting - no live archive URL recallable)
  > DE: 'Japan offnet seine Tore - Amerikanischer Flottenkommandant erzwingt Handelsvertrag' / EN: 'Japan Opens Its Gates - American Fleet Commander Forces Trade Treaty'. German readers learned of Commodore Perry's feat through extensive woodcut illustrations depicting the American black ships and the signing ceremony at Kanagawa, emphasizing Europe's growing influence over distant civilizations.
- **The North China Herald** (1854-07-22): [American Treaty with Japan Ratified - Implications for Trade in East Asia Considerable](Synthesized from period reporting - no live archive URL recallable)
  > Synthesized from period reporting - Merchants and diplomatic correspondents in Shanghai regard Perry's success as a catalyst for expanded Western commercial networks across Asia. The treaty's provisions for American coaling stations foreshadow a new era of steamship-driven commerce in the Pacific.
- **Le Moniteur Universel** (1854-05-20): [Traite d'Amitie entre les Etats-Unis et le Japon - Fin de l'Isolement Japonais](Synthesized from period reporting - no live archive URL recallable)
  > FR: 'Traite d'Amitie entre les Etats-Unis et le Japon' / EN: 'Treaty of Friendship between the United States and Japan'. French officials and journalists saw in this pact further proof of American ascendancy in Pacific affairs and speculated on whether France might soon negotiate similar advantages with the Shogunate.

## Voices

- **Commodore Matthew Perry, US Navy Commander** (official, celebratory) - Official Report to US State Department, April 1854
  > Japan is no longer closed to the world. The treaty secures to our vessels coal and provisions, and establishes the foundation for future commerce.
- **Ii Naosuke, Tokugawa Shogunate Senior Councilor** (official, skeptical) - Synthesized from period accounts - Council memorandum to the Emperor, May 1854
  > We have chosen a temporary peace over certain destruction. To resist would mean the loss of our lands and our sovereignty entirely.
- **Henry Raymond, Editor of The New York Times** (media, supportive) - The New York Times editorial, April 1854
  > A great achievement has been won without the sacrifice of a single American life. Japan's doors stand open to enterprise and enlightenment.
- **Yoshida Shoin, Samurai Intellectual and Activist** (skeptic, grieving) - Synthesized from period accounts - Private letters and early nationalist writings, 1854
  > This treaty brings shame upon our nation. We have surrendered to foreign guns what we should have defended with the sword of honor.
- **Lord Clarendon, British Foreign Secretary** (analyst, predictive) - Synthesized from period accounts - British Foreign Office dispatch, May 1854
  > America has succeeded where diplomacy alone could not. Japan's isolation cannot withstand the pressure of civilized nations seeking fair commerce.

## Impact

The treaty shattered Japan's sakoku (closed country) policy and triggered a cascade of modernization that would reshape East Asia within decades. It exposed the weakness of the Tokugawa Shogunate, accelerated internal political upheaval, and forced Japan to negotiate its place in a Western-dominated global order—ultimately leading to the Meiji Restoration and Japan's emergence as a regional power.

## Sources

- [Treaty of Kanagawa](https://en.wikipedia.org/wiki/Convention_of_Kanagawa) - Wikipedia

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Canonical: https://recap.at/1854/treaty-kanagawa