Battles of Kawanakajima
The Battles of Kawanakajima (川中島の戦い) were fought in the Sengoku Period of Japan between Takeda Shingen of Kai province and Uesugi Kenshin of Echigo province in the plain of Kawanakajima.
The five major battles took place in 1553, 1555, 1557, 1561 and 1564. The best known and severest among them was fought on September 10, 1564.
The battles started after Shingen conquered Shinano province, expelling Murakami Yoshiharu and Ogasawara Nagatoki who subsequently turned to Kenshin for help.