Siege

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Siege of Nagakubo

Part of the Sengoku period

Date	1543
Location	Nagakubo, Shinano Province
Result	Takeda victory

Belligerents

Forces of Oi Sadataka

Takeda family forces

Commanders

Oi Sadataka

Takeda Shingen

Strength

1200

3000

Campaigns of the Takeda

Nashinokidaira – Un no Kuchi – Sezawa – Uehara – Kuwabara – Fukuyo – Nagakubo – Kojinyama – Takatō 1545 – Ryūgasaki – Uchiyama – Odaihara – Shika – Uedahara – Shirojiritoge – Fukashi – Toishi – Katsurao – Kiso Fukushima – Kannomine – Matsuo – Kawanakajima – Musashi-Matsuyama – Kuragano – Minowa – Hachigata 1568 – Odawara 1569 – Mimasetoge – Kanbara – Hanazawa – Fukazawa – Futamata – Mikatagahara – Iwamura – Noda – Takatenjin 1574 – Yoshida – Nagashino – Omosu – Takatenjin 1581 – Temmokuzan – Takatō 1582

The Siege of Nagakubo was a battle of Japan's Sengoku period. It took place in 1543 as part of Takeda Shingen's bid to control Shinano Province, Japan. He took the castle of his former ally, Oi Sadataka, who had deserted him to ally with Murakami Yoshikiyo. Oi was sent to Takeda's home city of Kōfu as a prisoner, where he was then killed.