1550: Ogasawara Nagatoki's Flight and the Battle of Toishi Castle - Sengoku Shogun Map
Under pressure from Takeda Harunobu's invasion, Shinano shugo Ogasawara Nagatoki abandoned his base. That year Harunobu attacked Toishi Castle, held by Murakami Yoshikiyo's side, but failed to capture it and withdrew after suffering heavy losses.
Major events
- 1550-月日不詳: Battle of Toishi Castle — Takeda Harunobu attacked Toishi Castle, held by Murakami Yoshikiyo's side, but failed to capture it and withdrew after suffering heavy losses.