
r/JapaneseHistory

Is there a historian who knows about the laws and customs of the Heisei era?
Hello everyone. I'd like to ask if there are any researchers specializing in the Heisei era (1989-2019). I recently analyzed the case of a girl (now an adult) born in 1989 who, at the age of three, had to be taken away from her abusive parents by her 18-year-old brother. I focused primarily on the legal framework, as, from what I understand, child protection laws were practically nonexistent, leaving both siblings without support. They couldn't seek help from the police or the state, as the brother would have been sent to a juvenile detention center for "kidnapping," and the three-year-old girl would have been returned to her parents. The neighbors didn't come to their aid, as there seemed to be an unwritten "law" to respect family harmony and discipline.I have a general understanding of the topic, so I'd like to have a bit more information, specifically about the behavior or situation people were experiencing, along with the social changes. I also believe it's called the "Lost Decade" (in economic terms).
Map of Southern Oshu (Early Muromachi period)
For the map enjoyers, here is the early Muromachi Southern Oshu map that I said I would post but never got around to. There's quite a few interesting points to note, and I will discuss them in future posts. But for the meantime, enjoy the slightly (very) messy borders in this turbulent time, where the outlines of Sengoku period borders began to show itself.
The World’s Longest Continuous Dynasty Isn’t in Europe — It’s Japan.
Many people assume the world’s most “mature” civilizations are in Europe.
But when you compare actual continuity, institutions, and cultural development, the picture changes.
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- The World’s Longest Continuous Dynasty
Japan’s imperial line has continued for over 1,500 years without confirmed interruption — the longest in the world.
(For context: Ethiopia’s Solomonic dynasty, often cited as one of the longest, ended in 1974.)
- Japan: No dynastic break since at least the 6th century
- UK: Current royal house established in the 20th century
- France: Monarchy ended by revolution
- China: Repeated dynastic replacement
If civilizational maturity includes institutional continuity, Japan stands in a unique category.
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- Kyoto(京都): A Capital for Over 1,100 Years
Kyoto served as Japan’s capital from 794 to 1869 — over 1,100 years.
A single dynasty maintaining a single capital for a millennium is almost unheard of.
By contrast:
- Rome: Ancient → Medieval → Modern, with major political breaks
- Paris: Monarchy → Revolution → Empire → Republic
- London: Multiple dynastic changes
Political stability and cultural continuity place Japan in a distinct historical position.
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- A Civilization Where Women Wrote Novels in the 11th Century
In the 11th century, Murasaki Shikibu wrote The Tale of Genji, often considered the world’s first novel.
At the same time, medieval Europe was dominated by feudal structures that offered women little space for literary creation.
If cultural maturity includes who gets to create, Japan reached a sophisticated stage remarkably early.
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- 1919: Japan Proposed Racial Equality — and the West Rejected It
At the 1919 Paris Peace Conference, Japan proposed adding racial equality to the League of Nations Covenant.
The proposal received majority support.
It was blocked because the chair — the United States — demanded unanimity.
This episode reveals:
- Western “universal values” were not universal at the time
- Japan was the one pushing for a principle that is now widely accepted
A comparison like this challenges the assumption that moral progress flowed only from West to East.
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- Wartime Diplomacy: Japan’s Condolence and America’s Silence
When U.S. President Franklin Roosevelt died in 1945, Japan formally expressed condolences.
The U.S. government ignored them.
Racial prejudice against Asians was widespread in American society at the time, and it influenced political decisions.
This raises a question:
Is a mature civilization one that maintains dignity even toward an enemy, or one that abandons diplomatic norms under pressure?
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- The Myth: “Japan Became Democratic Only After Being Nuked”
A common Western belief is that Japan became democratic only after 1945.
This is historically inaccurate.
- 1889: Meiji Constitution
- 1890: Imperial Diet established
- 1925: Universal male suffrage
Japan had parliamentary institutions long before the atomic bombings.
The idea that democracy “arrived” via nuclear fire is a narrative, not a fact.
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- The Modern Paradox: Discrimination Reproduces Itself
In recent years, anti-Asian discrimination has risen in Western countries.
This includes cases where historically marginalized groups discriminate against others.
This is not about individuals — it is about social structures.
It shows that “civilizational maturity” cannot be reduced to simple moral binaries.
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Conclusion
Not religion.
Not military power.
Not economic size.
From historical comparison, a different definition emerges:
A mature civilization is one that sustains ethical norms, stable institutions, and cultural continuity — and applies universal principles consistently.
Japan’s history does not fit neatly into Western-centered narratives.
But when examined on its own terms, it reveals a form of civilizational maturity that is both deep and distinctive.
Geiyo Fortress Oshima Cannon Battery and WW2 Poison Gas Factory- Okunoshima - Hiroshima. My picks.
Did you know the first Japanese embassy to Europe was a Jesuit sponsored trip?
Read more about it here:
Hand colored photos from the 1890s showing everyday life in Meiji era Japan
Entire Odawara Castle park in Japan captured in 3D
Scanner: Artec Jet (SLAM LiDAR)
Capture mode: Handheld
Scantime: ~60 min
I found Meiji-era certificates with Ishimitsu Makiyo’s stamp
So I bought an old traditional townhouse in Kyoto. Previous owners left it in a state of disarray with a lot of trash.
I found these Meiji-era certificates (賞状) in the house.
The certificates themselves are somewhat interesting, but the most fascinating thing is that there is a stamp of one of the most famous Japanese spies on some of the certificates. His name is 石光真清 (Ishimitsu Makiyo). He was active in Russia during the Russo-Japanese war. The unit on the certificates matches the unit Ishimitsu was assigned to at the time, so I think these are legitimate.
What do you think? Not sure where to go from here.
Yagyu clan's relations with Toyotomi before 1594
Hi all, I'm new to this subreddit.
I'm writing a historical fiction novel that concerns some plausible intersections between early Edo period Japan and the east-expanding Russian empire, and I wanted to include some elements of the history of the Yagyu clan in it.
The Yagyu are most famous for Yagyu Shinkage Ryu, one of the two martial arts patronized by the Tokugawa shogunate (the other being Itto-ryu). Legend has it in 1594 Ieyasu was impressed by the Yagyu and took them in as his personal instructors after the Toyotomi confiscated Yagyu lands that same year.
But what I was wondering about was how the Yagyu and Toyotomi got along before the Yagyu had their lands confiscated by the Toyotomi, and how possible it is for someone to have trained in Yagyu Shinkage Ryu stay loyal to the Toyotomi instead.
Thanks everyone!
Hizen province stories - the woes of the Matsuura clan pt. 2
After our discussion about the conflict in Urabe, I want to direct our attention to the aforementioned Aokata clan and their history, as the closing section of this chapter.
Epilogue: Fate of the Aokata clan
As mentioned above, the Aokata clan held land in Aokata-go on Nakadori island (a part of Urabe area), some lands in Kanzaki-no-sho (Hizen), and Mizuma-no-sho (Chikugo), and their branch family, the Shirauo clan, held land in Shirauo-go. During the Nanboku-cho period, the Aokata clan, alongside the Matsuura group and the Uku clan, fought on the side of the Northern court. As rewards for their loyalty, they were granted some land in Yasutomi-no-sho (安富荘, in Hizen) and one-fifteenth of the Jito position over Imazato village (今里村) in Yasu-no-sho (夜須荘, in Chikuzen).
In Oan 6th year (1373), the lords of the Goto islands - Uku, Arikawa, Tao, and the Aokata clans - formed a coalition pact (Ikki). In Eitoku 2nd year (1384), the Aokata clan also co-signed the coalition pact with the Lower Matsuura families. We can see the reappearance of the Aokata clan in later coalition pacts in Kakei 2nd year (1388) and Oei 21st year (1414). Furthermore, as time went on, the links between the Aokata clan and the Matsuura group became more than just in political alignment. As we see in the names: Aokata Naotaka (青方直高) -> Aokata Shige (青方重) -> Aokata Katashi (青方固), the Aokata had abandoned their tradition of using the word “taka”, and instead began to use the Saga Genji (Matsuura’s ancestor)’s tradition of using only one word in their first names.
In Oei 20th year (1413), the lords of Uku, Arikawa and Aokata took a vow to support Uku Matsukumamaru (宇久松熊丸). Matsukumamaru was a son from the Ano family (branch family of Uku clan?) who was adopted by Uku Satoru (宇久覚), the leader of the Uku clan. Matsukumamaru would later be known as Uku Suguru (宇久勝). Suguru was an important leader of the Uku clan, for he was the one who began the unification of Goto islands. In Oei 29th year (1422), the Aokata clan and the Hirado Matsuura clan fought over Ore island and Shugen island, which ended with Uku Suguru stepping in to mediate. In the end, the Hirado Matsuura acknowledged Shugen island as the Aokata’s territory, while the Aokata acknowledged Ore island as the Hirado Matsuura’s territory.
Under the reign of Aokata Susumu (青方進), the Aokata clan began restoring temples and developing the lands of the Nakano (中野) and Juganda (重願田). Nakano makes up a part of modern-day Azetsu-go (阿瀬津郷) and Tainoura-go (鯛ノ浦郷), while the whereabouts of Juganda is unclear. However, Susumu’s son Oniboshimaru (鬼法師丸) passed away as a child, so Yori (頼) from the Nama clan (奈摩氏, branch family of the Aokata) was taken in to inherit the leadership position. In Meio 2nd year (1493), Yori’s son Takamasa (堯正) took in the exiled lord of Naoya castle (直谷城), Shisa Sumimasa (志佐純昌), and placed him on the Western end of the Urabe area (so it’s closer to Sumimasa’s home). However, after Sumimasa passed away, his senior retainer, a certain Suetake (季竹) attempted to gain actual control over the land. Suetake failed and fled alongside Sumimasa’s kids to the Arima’s fief.
Takamasa would later take Uku Satoru’s third son, Tsuzuku (続), as the new leader of the Aokata clan. By this point, the Aokata had officially become a vassal of the Uku clan. The Aokata clan served as a senior retainer of Fukue domain (福江藩, ruled by the Uku clan) until the Meiji period. Thanks to Aokata clan’s efforts in preserving and compiling family records and documents, we now get to know so much about this seemingly obscure, small family.
Interestingly, many of the Fukue domain’s vassals were Christian - including the Arikawa clan and our protagonist of this section, the Aokata clan. A combination of strong presence of Christianity amongst vassals, the fire in Egawa castle (江川城) and previous unrest of the attempted coup by Ohama Mondo (大浜主水, who was the adopted son of Goto Kakuemon/五島角右衛門, the step-brother of the Goto clan’s leader, Goto Moritoshi/五島盛利) is believed to be the reason why the suppression of Christianity was delayed compared to the other surrounding domains. There is a lot of interesting history between Christianity and the Hizen province, which we will talk about later.
Sources:
五島キリシタン史 伝来と信仰のあゆみ by 堂崎教会/Dozaki Catholic church and Kato Hisao/加藤久雄
Was Japan the first to use prepackaged and prepriced goods?
Cultural similarities between Japan and other regions
As far as I understand, the current evidence suggests Japonic-speaking populations originated in what is now southern and central Korea and gradually migrated to the Japanese archipelago over time.
What I’m curious about is what came before that. Did they move into Korea from southern China or even further south? I ask because some cultural similarities between Japan and Southeast Asian groups (Austronesian, Austroasiatic, Kra–Dai, etc.) are really fascinating to me—things like stilt architecture, tooth blackening, tattoo traditions, animistic practices, and spirit/shrine structures. According to Chinese records, both ancient groups were known for having tattoos and short hair, unlike the Han Chinese, who generally kept their hair long and uncut.
At the same time, modern Yamato Japanese seem genetically northern-shifted, so overall closer to Koreans and northern Chinese (Henan and Shandong) populations, while the Jomon are a much older layer that diverged from continental East Asians around 40,000 years ago.
So I’m wondering: how do people here think these similarities developed? Shared ancestry, cultural diffusion, parallel development, maritime networks, or something else?
What is the current Historiographical consensus on the Emishi? Were they primarily Yamato Japanese who resisted courtly rule and thus were considered "barbarians" or were they the remnants of the Zoku-Jomon culture?
I understand this is a pretty broad and divisive question, but would I be wrong in understanding that the main current historical consensus is that the Emishi's ancestors were largely the Jomon but had some Yayoi/Yamato admixture, just perhaps less than the rest of Honshu. And that the Emishi were thus likely related to the Ainu and spoke an Ainu language?
Im just curious myself im not trying to assert anything, would be curious what everyone thinks.
Did Ronin have any common gathering spots in the year 1570 besides popular towns or cities?
Hello, first time in this subreddit. For context,I'm asking this for a videogame that I'm pitching ideas in;It takes place in the year 1570.I'm not particularly knowledgeable of Japanese history and I would like some answers to a few questions that I have. Apologies if the question seems very specific I attempted to make it so that it fits the game's context.
July 1853: The Arrival of the Black Ships
America needed coal, ports, and a passage to China — and Japan happened to be in the way.
Visiting a 11,000 year old Jomon settlement in Kagoshima. Uenohara Jomon Village.
We're garments patterns symbolic to trade, craft or status? Could I have known this was a boat man before researching it?
I have this print in real life.With minimal information on the back. Naturally , a google image search told me all sorts of things. As far as I know, there's no writing or explicit information about this man being a boat man except perhaps his clothing.
I think this image from 1832 is an actor in the role of a boatman in a tree. Could the play have been so popular that everyone knew this or do his clothes represent the trade of boatmen?
- please excuse the typos! voice to text without my reading glasses earlier :(
korean migration in the late edo period? (around the 1790s to 1810s)
i'm trying to look do some research for something i'm writing about if it was possible for (limited) migration to occur regarding korean and chinese traders settling in japan? i know that the boarders were strictly closed and limited trade to about 5 cities in japan (from what i have looked into, i might be wrong) with only the dutch, chinese, possibly northern india and korea's busan, but i want to know if some east asians attempted to migrate to japan in the late edo period.
from what i have looked into, it's a mixed bag, with some sources saying that a handful of traders temporarily settled in japan before going back to their country of origin and others either being entirely yes or entirely no. sorry if this question has been answered already or if my question doesn't make much sense, i have a lot of trouble putting what i want to say into words ^^
Is there any evidence to suggest Christianity could've arrived in Japan prior to 1549?
I am asking because I've heard before that some think there could be a connection based on a numerous set of things. Such as supposed buildings or graves having crosses on them, or clans with crosses in their insignia, or the fact China had a long history of Christian missionaries from the church of the east, many of whom reached eastern china and had a relatively long history in the area.
To clarify im not saying this to try and argue christianity did arrive in Japan prior to 1549, but has anyone here ever heard of any fringe theories or potential evidence that could support such a claim? As much as I dont want to sound like im spreading misinfo or pseudohistory I cant think of a huge reason why there couldnt have been earlier christian contact from say the church of the east, but again just curious.