- Heian
Aterui
阿弖流為（阿弖利為）
Why it mattersResistance to court campaigns makes the northern frontier visible from the side of those confronting expansion. - Heian
Sakanoue no Tamuramaro
坂上田村麻呂
Why it mattersCampaigns and the construction of Isawa linked military action to the establishment of a court base in the north. - Heian
Minamoto no Yoshiie
源義家
Why it mattersNorthern warfare placed him within relationships among local powers, warriors and the imperial court. - Heian
Fujiwara no Kiyohira
藤原清衡
Why it mattersHis rise and religious patronage made Hiraizumi a center of power with its own political and material foundations. - Sengoku
Date Masamune
伊達政宗
Why it mattersHis territorial settlement and the building of Sendai connect northern campaigns to a durable domain center. - Edo
Tsugaru Nobuhira
津軽信枚
Why it mattersHis succession and rule in Tsugaru bring local inheritance disputes into the history of northern domain government. - Edo
Inō Tadataka
伊能忠敬
Why it mattersThe first survey in Ezo joined measured travel to a larger program of mapping. - Edo
Mamiya Rinzō
間宮林蔵
Why it mattersHis journeys through Sakhalin and the lower Amur linked exploration to the acquisition of geographical knowledge. - Bakumatsu
Enomoto Takeaki
榎本武揚
Why it mattersHis fleet’s move north and role in the Ezo government made Hakodate a final theater of the Boshin conflict. - Meiji
Kuroda Kiyotaka
黒田清隆
Why it mattersHis work in Hokkaidō administration connects settlement policy to the expansion of Meiji state power.
