The 1526 battle of Nashinokidaira (梨の木平の戦い) was one of many battles fought between the Takeda and Hōjō clans in Japan's Sengoku period. On 8 July of that year, the battle was won by Takeda Nobutora over Hōjō Ujitsuna.
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Text from the Wikipedia article “Battle of Nashinokidaira”, available under CC BY-SA 4.0.