 In 1600, Date Masamune and Honjō Shigenaga, who was under the Uesugi clan and head of Fukushima Castle at the time, fought the .At the time, the Matsukawa River flowed in a different riverbed than it does now, as the current Matsukawa River is north of Mt.Shinobu, while the Matsukawa River at the time of the battle flowed south of Mt.