Shimazu Yoshihisa

Signs of intensifying territorial struggle between Ōtomo Yoshishige (Sōrin) and Shimazu Yoshihisa.

Within Satsuma, clans such as the Togo and Iriki-in submitted and unification progressed, while in neighboring Osumi, powerful local lords such as the Kimotsuki still resisted.

In Kyushu, tensions persisted between Shimazu Yoshihisa and Ōtomo Yoshishige (Sōrin), with struggles for power continuing among regional warlords in the Hyūga and Higo regions.

In Kyushu, Shimazu Yoshihisa consolidated his base in southern Kyushu, and the rivalry with Ōtomo Sōrin continued. A tense balance remained in place on the eve of full-scale conflict.

Shimazu Yoshihisa consolidates control over Satsuma and Ōsumi, pressuring Hyūga lords and solidifying southern Kyushu power.

Toyotomi Hideyoshi invaded Kyushu after intervention in the Otomo-Shimazu conflict and compelled Shimazu Yoshihisa to submit.