Sakuma Shōzan’s Matsushiro: What Learning Was For

During his confinement in Matsushiro, Sakuma Shōzan received a letter suggesting that seclusion must have given him abundant opportunities for study. His answer was less serene. He still had a household; ordinary business interrupted him. Withdrawal from public life had not made him a solitary mountain recluse.^[1]

The distinction is worth keeping beside the buildings that now commemorate him. Matsushiro, an inland castle town in present-day Nagano, remembers Shōzan through a residence site, a shrine, transferred buildings, and collections of writings and instruments. These can encourage a picture of a remarkable individual pursuing discoveries apart from ordinary affairs. His correspondence puts those affairs back into the room.

So do the other records. An educational proposal had to become rules that someone would administer. An instrument required a maker. Advice about warships addressed the movement of rice as well as the movement of foreign navies. Even a friend's poems raised a question about the obligations of a working retainer. To recover Shōzan's Matsushiro is to ask what learning was supposed to accomplish here—and to follow the different routes by which an idea could become an examination, a piece of equipment, or advice that another person might resist.

At Shōzan's residence site, the most direct surviving link to his birthplace is a well. The household buildings have gone. The protected ground anchors him to a particular part of Matsushiro without supplying a complete house in which every episode of his life can be staged. The official site description identifies his family as lower-ranking domain retainers and records the well as the remaining feature from the birthplace.^[2]

Born in 1811, Shōzan belonged to the society maintained by the Sanada lords of Matsushiro. A domain was both a territory and a government, employing people whose duties ranged across administration, military service, and teaching. His father served as a domain clerk. Scholarship grew within that household's relationship to its lord, rather than in a separate profession free of inherited obligations.^[3]

His education nevertheless carried him beyond the town. In 1833 he went to Edo, the shogun's capital, to study with the Confucian scholar Satō Issai. He subsequently returned to Matsushiro and later opened a private school in Edo in 1839. The two places supplied different settings for his work: home-domain employment and relationships on one side, metropolitan teachers and readers on the other.^[3]

This movement helps explain why the Matsushiro site contains more than local antiquarian interest. Its scholar could draw on resources acquired elsewhere and offer them to a government that had its own purposes for learning. But a celebrated teacher's reputation was not, by itself, an educational system. Students needed a course of work; officials needed some way of recognizing whether that work had been done. Before the familiar story of Shōzan's experiments with Western technology, there was a rather less theatrical undertaking: changing how his domain organized study.

In 1837 Shōzan submitted an opinion on educational administration. It contained two sets of ten articles, one concerned with educational policy and the other with school regulations. Nagano's city history traces a concrete result: the domain adopted his proposals in 1838 and introduced examinations involving recitation and lectures. The examination arrangements were subsequently carried into Matsushiro's Bunbu School, which opened in 1855.^[4]

That sequence gives the word “influence” something definite to mean. A written recommendation passed into an institutional procedure. Recitation could require a learner to reproduce a text; a lecture required its exposition. Whatever a teacher's personal estimate of a pupil, these were occasions on which work had to be presented in a recognizable form. Study became something that the domain could arrange and review, rather than only a relationship between an admired scholar and those who sought him out.

The practical result lay in educational administration: a scholar had helped specify what other learners would be asked to do. An argument submitted by one retainer could thus alter the recurring work of teachers and pupils who had not participated in writing it.

The long interval before the Bunbu School opened also prevents the school from becoming a monument to a single moment of inspiration. The city's account follows planning, building arrangements, financial support, and the succession from Sanada Yukitsura to his son Yukinori. Construction was completed in 1854; opening followed the next year. The examination scheme and the eventual campus had connected but different histories.^[4]

The school lies beyond the core cluster of Shōzan's residence and memorial buildings, yet it supplies an important test of what happened to an idea originating in his work. There is evidence of adoption, not just a proposal preserved because its author later became famous. His examination scheme became one element in a domain undertaking continued through another lord's tenure and embodied in a campus that opened nearly two decades after the original proposal.

Maritime defense entered Shōzan's working life through another domain relationship. Sanada Yukitsura, Matsushiro's lord, became a senior councilor of the shogunate and assigned him research on foreign affairs. The British war against Qing China made information about Western military power especially pressing. In 1842 Shōzan submitted the memorial generally known as Kaibō Hassaku, the Eight Proposals for Coastal Defense.^[5]

An inland scholar writing about the sea can look like an incongruous figure until the proposals are read. Among them were coastal batteries, the redirection of copper from exports into cannon, and the use of sturdier Western-style ships to carry rice to Edo. He also called for warships and trained crews, suitable officials, and the recruitment of learned people.^[5]

The rice carriers make the argument unusually tangible. Ships were already part of the movement of resources on which government depended. Proposing a different vessel therefore connected military learning to an existing administrative task. The sea was not a distant blue margin on Matsushiro's world: it was a route along which the governing order moved supplies, and a route that foreign ships could use for purposes of their own.

Copper provides another connection. A recommendation to acquire more guns immediately raises a question about material. Shōzan's answer involved changing where a resource went. The proposal linked foreign commerce, production, and defense instead of treating a cannon as a finished object that could simply be ordered into existence. Likewise, specifying a warship and specifying a trained crew addressed different needs. An imported design did not supply the people able to use it.

Education appeared in this maritime program too. Shōzan envisaged schooling extending to ordinary men and women, with loyalty and filial conduct among its stated purposes. This was broad social instruction conceived in terms of duties, not a declaration that acquiring Western knowledge would dissolve established obligations.^[5]

The memorial remains a program, not an inventory of measures successfully implemented. Its importance here is that it shows what Shōzan was trying to join together. A lord's service in the central government brought an international military problem into a local scholar's remit; that scholar answered with proposals about transport, materials, appointments, and conduct. In Matsushiro, useful knowledge could be expected to reach a long way beyond a classroom.

One surviving object gives this undertaking a different scale. In the Sanada collections is a surveying level bearing an inscription that dates it to the spring of 1846. It names Shōzan as the person who commissioned the work and Ōno Genzō as its maker. The museum identifies Ōno as an Edo instrument maker associated with clocks and surveying equipment.^[6]

The wording preserves a transaction that a label such as “Shōzan's scientific instrument” could easily conceal. Commissioning the level required a relationship with someone able to manufacture it. The object joined the scholar's interest in measurement to a specialist's craft. Neither man's contribution becomes clearer by putting both under the convenient heading of invention.

A level establishes a reference for comparing heights. That makes it useful for questions that cannot be settled by the apparent slope of the ground alone. The museum catalogue records Shōzan's names for the instrument and its function; the inscription supplies the maker and date. Together they document a practical acquisition: a named scholar sought a particular measuring capability and engaged a named craftsman to produce it.^[6]

Books and instruments belonged to related, but not identical, parts of this work. A 2024 Matsushiro exhibition brought together Shōzan's educational proposal, a manuscript draft of a Dutch dictionary, and volumes of Chomel's encyclopedia. Its object list gives material form to the different reading and writing tasks associated with him. A dictionary could assist with language; an encyclopedia offered organized information; a policy paper put an argument before an authority. None did the job of the others.^[7]

Elsewhere in the town, the old domain bell tower carries the memory of an electrical communication experiment in 1849. Local interpretation associates the trial with a short connection to a nearby official building. A communications-engineering account describes it as an experiment using instruments made with reference to a Dutch book. It was a local trial, not an operating nationwide telegraph service.^[8]

These examples preserve two kinds of work: obtaining an instrument from a specialist and attempting to make an unfamiliar technique function locally. What links them is a willingness to move beyond reading into material tests, with all the additional people, components, and locations that doing so required.

A pupil's attempt to take a more direct route to foreign knowledge changed Shōzan's circumstances. In 1854 Yoshida Shōin tried to board an American ship at Shimoda in order to leave Japan. He had studied with Shōzan. The attempt failed, and Shōzan was implicated in the affair. He was confined to his home domain until his pardon in 1862.^[9]

Kōgitei is the building through which this period is most strongly represented in the present memorial area. The shrine's history associates it with a secondary estate of the Mochizuki family, where Shōzan lived during confinement. The detached building served as a place for study and receiving visitors. It stood elsewhere in Matsushiro before being transferred to the shrine precinct in 1978.^[10]

The arrangement was neither a public teaching appointment nor complete isolation. It depended on accommodation within another household's property and on the contacts possible under restriction. A room available for study could preserve activity without restoring its occupant's earlier freedom of movement. That is a more specific circumstance than the familiar picture of an independent thinker retiring voluntarily to work.

Shōzan's letter to Takemura Kyōson allows a glimpse of that circumstance from inside. Kyōson was a fellow Matsushiro retainer, a poet, and an official whose work involved horses. The National Diet Library places the undated letter within Shōzan's years of confinement. His explanation about household interruptions belongs to an exchange between people with shared local relationships, not to a later account written to dramatize a lonely genius.^[11]

The collections also retain an electrical treatment apparatus attributed to Shōzan. Its catalogue entry cites an 1862 letter in which he reported trying electrical treatment on his wife. The entry preserves a reported trial without establishing that the treatment worked.^[12]

Taken together, the building history, correspondence, and object record show how much activity could remain inside a restricted life. Reading, family obligations, technical curiosity, and exchanges with other retainers did not divide neatly into separate spheres. The household that interrupted study was also one of the places in which a scholar tried to apply it.

Kyōson had sent poems for comment. Shōzan returned corrections, but the reply went beyond literary polish. He wanted the poems to become more fully their author's own, rather than remain elegant work that seemed borrowed. He then raised a different objection: Kyōson was still mourning a parent and should not be composing such verse at all.^[1]

Shōzan distinguished the resumption of official duties from the resumption of recreation. A military government could not leave all its work undone throughout an extended mourning period. That necessity, he argued, did not license ordinary pleasures. His advice was to perform the duties belonging to Kyōson's position and use the remaining time for reading.^[1]

The exchange supplies an uncomfortable edge to the friendly traffic of learning. Sending poems invited comment on the poems; it also exposed their author to correction of his conduct. Shōzan was offering a judgment on how a fellow retainer should arrange work, family duty, and leisure.

This matters to the history of the place because “practical knowledge” can otherwise become a modern category imposed on everything Shōzan did. The surveying level seems readily practical; mourning etiquette may appear to belong to another world. In these records, however, both sit within the work of a scholar who advised people about how to act. His coastal-defense program likewise put moral instruction beside ships and guns.

There is no need to choose between two simplified portraits, the experimental thinker and the guardian of established duties. In Matsushiro's papers they are the same person, addressing different problems. His appetite for unfamiliar techniques did not relieve the people around him of the obligations he believed learning should help them fulfill.

After his pardon, Shōzan's work again carried him beyond Matsushiro. In 1864 he went to Kyoto on the shogunate's orders and advocated opening relations with foreign countries. He was assassinated there that year.^[3]

The memorial district later brought geographically separated parts of this life together. Shōzan Shrine was founded in 1938, following a campaign whose supporters included local figures and educational organizations. En'utei came from the setting of his final Kyoto residence; Kōgitei came from the Matsushiro estate associated with his confinement. The original residence ground, by contrast, remained an anchor in its own location.^[10][13]

The shrine gave these associations a shared commemorative center. The resulting landscape makes a life easier to approach, but it compresses distances and dates. The tea room does not place Shōzan's assassination in Matsushiro. The presence of Kōgitei beside the shrine does not turn the precinct into the estate where he lived under restriction. Their transfer records are part of what the buildings have to tell.

The collections preserve another kind of proximity. An educational scheme and a scientific instrument can now be considered together even though they originally addressed different recipients and tasks. The former memorial museum's closure during a later reorganization does not remove that documentary relationship; it does mean that the collection should not be mistaken for a permanently available display in one unchanging building.^[14]

Matsushiro's distinctive story lies in these different uses of learning. The domain adopted an examination procedure; a craftsman answered a commission; a memorial proposed a coordinated response to maritime danger; a friend received an unsolicited lesson in mourning. Some proposals entered institutions, some remained arguments, and some activities continued within confinement. The town's well, transferred rooms, papers, and instruments preserve those differences. Together they allow Shōzan to emerge from his monument as a scholar doing particular work for particular people—people who did not all ask the same things of him.