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| Siege of Kojinyama | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Sengoku period | |||||||
| |||||||
| Belligerents | |||||||
| forces of Takeda Shingen | forces of Tozawa family | ||||||
| Commanders and leaders | |||||||
| Takeda Shingen | Tozawa Yorichika | ||||||
| Strength | |||||||
| 2,000 | 2,000 | ||||||
In the 1544 siege of Kojinyama, Takeda Shingen continued his invasion of Shinano Province's Ima Valley, seizing Kojinyama fortress from the Tozawa family.