SUBJECT FILE NO. SA-0008
BUSHI ARCHIVE
Sakamoto Ryōma
Sakamoto Ryōma
Architect of the Satsuma–Chōshū Alliance
SECTION I -- SUBJECT PROFILE
| Name | Sakamoto Ryōma |
|---|---|
| English | Sakamoto Ryōma |
| Origin | Japan |
| Lifespan | 1836–1867 |
| Gender | Male |
| Century | 19th C. |
| Clan / Role | Bakumatsu Revolutionary |
| Title | Architect of the Satsuma–Chōshū Alliance |
SECTION II -- OVERVIEW
Born in 1836 in Tosa Province as the son of a low-rank samurai of merchant ancestry, Ryōma fled the rigid Tosa hierarchy to join the swordsman Katsu Kaishū, who turned the would-be foreigner-killer into a champion of naval modernization.In 1866 he brokered the historic Satsuma–Chōshū Alliance between two domains that had been bitter enemies — the deal that made the overthrow of the Tokugawa Bakufu inevitable.
He drafted the Eight-Point Program (Senchū Hassaku) outlining a constitutional government for post-shogunate Japan, including a bicameral legislature, a written constitution, and the abolition of class privilege — proposals strikingly close to what the Meiji government would later adopt.He was assassinated in Kyoto in 1867 at age 31, weeks before the Meiji Restoration he had engineered.
SECTION III -- CHRONOLOGY
SECTION IV -- NOTABLE STATEMENTS
“Once you decide to do something, do it without hesitation.”
SECTION V -- FIELD NOTES
[A]Eight Points in a Cabin
Drafted aboard the steamship Yūgao during a passage from Nagasaki to Hyōgo, Ryōma's eight-point program for post-shogunate government anticipated almost the entire Meiji Constitution — written by a 31-year-old ronin who never lived to see it adopted.
SECTION VI -- LEGACY & IMPACT
Ryōma's alliance brokering and constitutional vision made him the most beloved figure of the late shogunate, the romantic symbol of Japan's leap into modernity. His assassination remains one of the great unsolved mysteries of Bakumatsu history.
SECTION VII -- MAJOR DEEDS
- [01]Satsuma–Chōshū Alliance (1866)
- [02]Kaientai naval-trading company
- [03]Eight-Point Program (Senchū Hassaku)
- [04]Senshū-kan dojo and naval academy
SECTION VIII -- REFERENCE MATERIALS
SECTION X -- RELATED REPORTS
SA-RPT / 2026-05-04
Senchū Hassaku: The Eight Points That Quietly Wrote the Meiji Constitution
In 1867, Sakamoto Ryōma drafted an eight-point memo on a steamship between Nagasaki and Hyōgo. He was thirty-one, on the run, and three months from assassination. The memo became the blueprint for modern Japan.
SA-RPT / 2026-05-15
Why the Last Shogun Surrendered: Tokugawa Yoshinobu and the Taisei Hōkan
On November 9th, 1867, the fifteenth Tokugawa shogun voluntarily returned political authority to the Emperor. He believed it would preserve the Tokugawa as senior partners in a new constitutional order. He was wrong about that. He was right about everything else.
SECTION IX -- LINKED SUBJECTS
SA-0003 / JPN
Tokugawa Ieyasu
The patient warlord whose dynasty ruled Japan for 250 years
SA-0022 / JPN
Tokugawa Yoshinobu
The last shogun who chose to surrender power rather than fight a civil war he believed Japan could not afford
SA-0027 / JPN
Ii Naosuke
The Tairō who signed the unequal treaties — and was assassinated for it at the gates of Edo Castle