   the  took place near the tedori river in japan's kaga province in 1577. the battle site is in the modern-day ishikawa prefecture. == background == after oda nobunaga's victory at nagashino, uesugi kenshin broke off his alliance with oda nobunaga and tokugawa ieyasu, he then initiated an alliance in 1575 with the ishiyama honganji warrior monks (ikko ikki) and takeda katsuyori of the takeda clan, with whom he had previously been at odds. the tedorigawa campaign was precipitated by uesugi intervention inside the domain of the hatakeyama clan in noto province, an oda client state. this event provoked the uesugi incursion, there was a coup d'Ã©tat led by the pro oda general chÅ shigetsura, that killed hatakeyama yoshinori the lord of noto and replaced him with hatakeyama yoshitaka as a puppet ruler. as a result uesugi kenshin, the head of the uesegi clan mobilized an army to lead into noto against shigetsura. consequently nobunaga sent an army led by shibata katsuie, hashiba hideyoshi and maeda toshiie; some of his most experienced generals to reinforce their allies.uesugi kenshin kenshin, taking the initiative moved to encircle shigetsuraâs forces preventing them from linking with the oda army, and trapping chÅ shigetsura(tsunatsura) in nanao castle (the main hatakeyama stronghold in noto province) the subsequent breakthrough killed shigetsura and resulted in the hatakeyama of noto switching allegiance to the uesugi. == battle == the oda forces under the command of shibata katsuie, hashiba hideyoshi and maeda toshiie crossed the tedori river (minatogawa or tedorigawa) and prepared to enter noto province, as they did not yet know about the fall of nanao castle. due to the fall of nanao castle and suemori castle in noto, the oda army (now joined by nobunaga himself) halted their march into noto and went back across the tedori river. uesugi kenshin, now bolstered in his ranks with noto troops, advanced towards the oda position. the oda army came up with the plan to use cannons for stand-off tactics against the uesugi and to bombard t
Battles_of_the_Sengoku_period Conflicts_in_1577