The siege of Nagakubo (長窪城) was a battle of Japan's

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

. It took place in 1543 as part of

Takeda Shingen , of Kai Province, was a pre-eminent ''daimyō'' in feudal Japan. Known as the "Tiger of Kai", he was one of the most powerful daimyō with exceptional military prestige in the late stage of the Sengoku period. Shingen was a warlord of great ...

's bid to control

Shinano Province or is an old province of Japan that is now Nagano Prefecture. Shinano bordered on Echigo, Etchū, Hida, Kai, Kōzuke, Mikawa, Mino, Musashi, Suruga, and Tōtōmi Provinces. The ancient capital was located near modern-day Matsumoto, whi ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. He took the castle of his former ally, Oi Sadataka, who had deserted him to ally with

Murakami Yoshikiyo Murakami Yoshikiyo (村上義清, 1501–1573) was a Japanese samurai from the and retainer of the Uesugi clan during the Sengoku period of the 16th century. Yoshikiyo followed in fighting against both Takeda Nobutora and his son Takeda Shingen ...

. Oi was sent to Takeda's home city of

Kōfu is the capital city of Yamanashi Prefecture, Japan. , the city had an estimated population of 187,985 in 90,924 households, and a population density of 880 persons per km2. The total area of the city is . Overview Toponymy Kōfu's name means " ...

as a prisoner, where he was then killed.

References

*Turnbull, Stephen (1998). 'The Samurai Sourcebook'. London: Cassell & Co. 1543 in Japan Nagakubo 1543 Nagakubo 1543 Conflicts in 1543 {{Japan-battle-stub