Tango Province was originally a province where the Isshiki clan controlled as Shugo; military governor, but in 1579 Yusai HOSOKAWA together with Mitsuhide AKECHI defeated a member group of the anti-Nobunaga alliance including the Isshiki clan to conquer Tango and Tanba Provinces.
丹後国は元々一色氏が守護を務める国であったが、天正7年（1579年）、細川幽斎は明智光秀とともに反信長連合の一角だった一色氏らを滅ぼし丹後国・丹波国を制圧し功績を挙げた。