After Nobunaga was killed by Mitsuhide AKECHI at the incident of Honno-ji Temple, Hideyoshi went back to Kyoto to manage other warriors' activities, and defeated Mitsuhide at the battle of Yamazaki, which resulted him in becoming Nobunaga's successor.
信長が本能寺の変で明智光秀に討たれると、本能寺の変本能寺の変後の諸将の動向により京都へと戻り、山崎の戦いで光秀を破り、信長の後継の地位を得る。