1585: Hideyoshi Becomes Kampaku and Pacifies Shikoku

The armies of Hashiba Hideyoshi and Hidenaga attacked the Negoro and Saika groups and advanced their conquest of Kii Province.

Sengoku Hidehisa and Bitō Tomonobu landed at Yashima with the Ukita and Kuroda armies and took Kioka Castle, Kōzai Castle and other strongholds.

Sources　香川県立図書館「香川県史年表（近世 1585年〈天正13〉〜）」

Mori forces crossed to Iyo, Hashiba Hidenaga and Hidetsugu landed in Awa, and the Ukita and Kuroda forces landed in Sanuki, attacking Chosokabe castles.

Sources　東京大学史料編纂所『大日本史料 第十一編之十七』／高知県「長宗我部元親と土佐の戦国時代」／香川県立図書館「香川県史年表」／徳島市立徳島城博物館「長宗我部元親書状」

Kobayakawa Takakage, leading the first wave of the Mōri force, landed from Aki at Imabari-ura (present-day Imabari) and opened the Iyo front.

Sources　愛媛県生涯学習センター データベース『えひめの記憶』／松山市「室町時代から安土・桃山時代」

Following the Hashiba invasion of Shikoku, Chōsokabe Motochika submitted and was confirmed in Tosa Province.

Sources　東京大学史料編纂所『大日本史料 第十一編之十七』／高知県「長宗我部元親と土佐の戦国時代」／香川県立図書館「香川県史年表」／徳島市立徳島城博物館「長宗我部元親書状」

Hashiba Hideyoshi was appointed kampaku, gaining an imperial office through which to advance his rule over the country.

The Mōri force that had entered Iyo surrounded Takao Castle and Maruyama in Nii District, and the castle fell after resistance led by Kaneko Motoie. In Niihama the fighting is remembered as the Tenshō Campaign.

Sources　愛媛県生涯学習センター データベース『えひめの記憶』／新居浜市「滝の宮公園」

In the redistribution of provinces after the Shikoku campaign, Sengoku Hidehisa received Sanuki from Hideyoshi, though twenty thousand koku remained under the rule of Sogō Masayasu.

Sources　香川県立図書館「香川県史年表（近世 1585年〈天正13〉〜）」

Kobayakawa Takakage, whose army had closed on Yuzuki Castle, urged Kōno Michinao to surrender; Michinao opened the castle and sued for terms. Kōno rule in Iyo ended and Yuzuki Castle became Takakage’s residence.

Sources　愛媛県生涯学習センター データベース『えひめの記憶』／松山市「室町時代から安土・桃山時代」

Sanada Masayuki broke with the Tokugawa after refusing to hand over the Numata territory. A Tokugawa army of more than 7,000 men attacked Ueda Castle, and Masayuki drove it off with fewer than 2,000.

Sources　上田市「上田城の歴史」

Building work carried out with many Uesugi commanders mobilized brought Ueda Castle to a first state of completion. Sanada Masayuki had sent his second son to Uesugi Kagekatsu as a hostage in return for help with the castle.

Sources　上田市「上田城の歴史」

Toyotomi Hidenaga entered Kōriyama Castle with Hideyoshi and developed the castle and town as a base for governing Yamato, Kii, and Izumi.

Date Masamune fought a coalition led by Satake Yoshishige and including the Ashina around Hitotoribashi. The Date army was hard pressed, but the coalition withdrew.

Sources　福島県「中世」／本宮市地域資料／南奥州の佐竹・伊達抗争に関する調査ノート

家康の重臣で岡崎城代だった石川数正が、妻子と信濃小笠原家の人質を連れて出奔し秀吉方についた。徳川の軍制に通じた重臣の離反は痛手となり、家康は軍制を改めたと伝わる。出奔の動機は確定していない。

Sources　国立公文書館「徳川家康－将軍家蔵書からみるその生涯－」