The sieges of Toishi castle (砥石崩れ, Toishi kuzure, "Rout of Toishi") took place during Takeda Shingen's campaign to take over Shinano Province. His army...

of Shiojiritoge (1548) Siege of Kajiki (1549) Siege of Toishi (1550) ja:砥石崩れ Tainei-ji incident (1551) Battle of Kiyosu Castle (1552) Siege of Katsurao...