Nobunaga kills Nobuyuki
Kiyosu Castle, JapanNobuyuki was defeated by Nobunaga's retainer Ikeda Nobuteru. Nobuyuki conspired against his brother Nobunaga with the Hayashi clan (Owari), which Nobunaga viewed as treason. When Nobunaga was informed of this by Shibata Katsuie, he faked illness to get close to Nobuyuki and assassinated him in Kiyosu Castle.