


九州福岡県の久留米の家と縁づいたことで、その地を巡った旅路。歴史・地理の社会科系が大好きな性格ですので、それを機会に仕事の一線から離れたこともあって、九州全県巡りをしました。
で、その肝心の久留米をあちこち回って訪れてみたのが、この「草野歴史資料館」。
住所名に「久留米市草野町」といまもその氏族名が残っているわけですが、学ばせていただいたところ、この氏族は1164年にこの地域に根付いて、豊臣秀吉の九州攻めに際して1588年に敗亡している。この地に深く関係したのが425年間で、滅亡してから438年経過している地域豪族。
北海道人的な感覚からすると、まことにはるかなる世界。
そういう歴史的存在に対してこの地域としては「歴史資料館」を建設してその情報を「鎮護」している。そのことがちょっと実感を持てない。やはり九州、その人間活動の歴史蓄積に驚く。
この中世豪族・草野氏の要約は以下。
〜筑後草野氏は、1164(長寛2)年に肥前高木より筑後吉木に入国してから始まる。源平争乱(1180-1190年)に際してはいち早く筑後平野を見晴らす高良山で兵を挙げ「竹野合戦」で平家軍を破ってから各地を転戦し源氏方の勝利に貢献した。その功により1186(文治2)年、源頼朝の推挙により筑後国在国司・押領使職に補任されて以来、当国に確固たる地位を獲得し。
文永弘安の役(1274~82)に際して、草野永綱・経永父子は、神代良忠や西牟田弥次郎ら筑後の諸士とともに果敢に戦い侵攻した蒙古軍を撃退した。また南北朝期には南朝の征西将軍・宮良親王、菊池武光の下で活躍し、1361(正平16)年九州征西府の掛立に貢献。
室町~戦国時代にあっては九州の覇権をめぐる豊後の大友、肥前の龍造寺、薩摩の島津らによる争いに翻弄されながら一族の存亡をかけて戦ったが、豊臣秀吉による九州国割後の1585(天正16)年、肥後南関において、肥後一揆鎖圧軍蜂須賀家政によって誘殺され、約425年間の歴史を閉じた。〜
・・・阿倍比羅夫の遠征や奥州藤原氏の北方交易などの断片的な歴史事跡しか持っていない北海道人としては、こういう時代の事実関係の資料などが積層していることに、さらにそれも滅亡した氏族の痕跡が残り続けていることに驚嘆。ワクワクさせられる北の旅人。
日本史の奥行き、民族史の深さに朦朧としながら、鮮烈さに目が覚める思いであります。
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English version⬇
[Regional Traditions Preserving the History of the Chikugo “Kusano Clan,” Which Fell in 1588]
I was just casually looking around, but I was overwhelmed by the fact that this region still preserves such a wealth of historical records about a medieval powerful clan that fell 438 years ago. …
A journey through the region of Kurume in Fukuoka Prefecture, Kyushu, sparked by my connection to a family there. Since I’ve always loved social studies—especially history and geography—I took this opportunity to step away from the front lines of my work and tour every prefecture in Kyushu.
So, after exploring various parts of Kurume itself, I visited this “Kusano Historical Museum.”
The address “Kusano-cho, Kurume City” still bears the name of this clan, and from what I learned, this clan took root in the area in 1164 but was defeated and wiped out in 1588 during Toyotomi Hideyoshi’s campaign to conquer Kyushu. They were a regional clan deeply connected to this land for 425 years, and 438 years have passed since their demise.
From a Hokkaido resident’s perspective, this feels like a truly distant world.
In response to such a historical presence, the region has built a “History Museum” to “preserve” this information. I find it a bit hard to truly grasp the significance of that. As expected of Kyushu—I’m amazed by the accumulated history of human activity here.
Here is a summary of the Kusano clan, a medieval regional clan:
~ The history of the Chikugo Kusano clan began in 1164 (Chōkan 2) when they entered Chikugo Yoshiki from Hizen Takagi. During the Genpei War (1180–1190), they were among the first to raise an army on Mount Kōra, which overlooks the Chikugo Plain. After defeating the Taira forces at the Battle of Takeno, they fought in various locations and contributed to the Minamoto clan’s victory. In recognition of these achievements, in 1186 (Bunji 2), upon the recommendation of Minamoto no Yoritomo, he was appointed Governor and Military Commissioner of Chikugo Province, thereby securing a firm position in the province.
During the Bun’ei–Kōan Campaigns (1274–82), the Kusano father-and-son duo, Nagatsuna and Tsunehisa, fought valiantly alongside Chikugo warriors such as Kamidai Yoshitada and Nishimuta Yajirō to repel the invading Mongol forces. Furthermore, during the Nanboku-chō period, they played an active role under Prince Miyara, the Seishi Shōgun of the Southern Court, and Kikuchi Takemitsu, contributing to the establishment of the Kyushu Seishi-fu in 1361 (Shōhei 16).
During the Muromachi and Sengoku periods, while caught in the turmoil of conflicts over hegemony in Kyushu—including the Ōtomo clan of Bungo, the Ryūzōji clan of Hizen, and the Shimazu of Satsuma over hegemony in Kyushu. He fought for the survival of his clan, but in 1585 (Tenshō 16), following Toyotomi Hideyoshi’s redistribution of Kyushu, he was lured and killed at Nankan in Higo by Hachisuka Iemasa, a commander of the forces suppressing the Higo Uprising, bringing an end to a history spanning approximately 425 years. ~
…As a Hokkaido native who is familiar only with fragmentary historical events—such as Abe no Hirafu’s expedition and the northern trade of the Oshu Fujiwara clan—I am amazed by the wealth of historical records documenting the facts of this era, and even more so by the enduring traces left behind by this extinct clan. It’s thrilling for a traveler in the North.
While I am somewhat dazed by the depth of Japanese history and the richness of ethnic history, I am also awakened by its vivid intensity.
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Posted on 7月 15th, 2026 by 三木 奎吾
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