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| Siege of Ryūgasaki |
| Part of the Sengoku period |
|
|
| Belligerents |
| Forces loyal to Tozawa Yorichika |
Takeda family forces |
| Commanders |
| Yoshinaga Mitoyoshi† |
Takeda Shingen |
| Strength |
| 2500 |
3200 |
| Casualties and losses |
| Unknown |
Unknown |
The 1545 siege of Ryūgasaki was one of many battles fought by Takeda Shingen in his bid to control Shinano Province during Japan's Sengoku period. The fortress was a satellite castle of Fukuyo,The fortress was held by Tozawa retainer Yoshinaga Mitoyoshi.Yoshinaga himself was killed in battle while the fortress fell.