Despite the death of [[Takeda Shingen]] in [[1573]], the Takeda, now led by Katsuyori, continued to make gains against the Oda and Tokugawa. In March 1574 Katsuyori led an army into Mino Province and surrounded [[Akechi Castle]]. Nobunaga hastily dispatched a relief force under his eldest son Nobutada and [[Ikeda Nobuteru]] but this arrived too late: Akechi's commander had already surrendered. Later that year, Katsuyori would score another victory by taking [[Takatenjin Castle]] in [[Totomi Province]]. This would be the Takeda's high-water mark, which would recede following the [[Battle of Nagashino]] in [[1575]].
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Despite the death of [[Takeda Shingen]] in [[1573]], the Takeda, now led by Katsuyori, continued to make gains against the Oda and Tokugawa. In March 1574 Katsuyori led an army into Mino Province and surrounded [[Akechi castle]]. Nobunaga hastily dispatched a relief force under his eldest son Nobutada and [[Ikeda Nobuteru]] but this arrived too late: Akechi's commander had already surrendered. Later that year, Katsuyori would score another victory by taking [[Takatenjin castle]] in [[Totomi province]]. This would be the Takeda's high-water mark, which would recede following the [[Battle of Nagashino]] in [[1575]].