Tsuchiya Masatsugu
Encyclopedia
was a senior retainer beneath the clan of Takeda throughout the late Sengoku period
of Feudal Japan.
Sengoku period
The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...
of Feudal Japan.