On July 1, when Princess Matsu was on a journey to see Nobutada, the Honnoji Incident broke out, and Nobutada attacked Mitsuhide AKECHI at Nijo-gosho Palace and beat the Akechi army three times.
6月2日、松姫が信忠に会いに行く道中にて本能寺の変が勃発し、信忠は二条御所で明智光秀を迎え討ち明智軍を3度撃退する。