About the Invasion of Shikoku
The Invasion of Shikoku was fought in 1585 (Tenshō 13) at Ichinomiya Castle, Awa Province. Under Hashiba Hidenaga as commander-in-chief, the great Toyotomi army crosses to Shikoku from three directions. With Ichinomiya Castle in Awa lost, Chōsokabe Motochika can resist no longer and surrenders, and Shikoku is pacified.
- Year
- 1585Tenshō 13
- Place
- Ichinomiya Castle, Awa Province
- Era
- Azuchi–Momoyama period
The two armies
Chōsokabe forces Commander-in-chiefChōsokabe Motochika 17,0004 units 
Hashiba forces Commander-in-chiefHashiba Hidenaga 65,0004 units Troop strengthTotal of the units shown in 3D
Main camp 8,000Fought 9,000
Fought 65,000
Chōsokabe forcesBy troop strength
- Chōsokabe Motochika 長宗我部元親 Commander-in-chief 8,000
-
Chōsokabe Nobuchika 長宗我部信親 4,000 - Tani Tadasumi 谷忠澄 3,000
- Emura Chikatoshi 江村親俊 2,000
Hashiba forcesBy troop strength
- Hashiba Hidenaga 羽柴秀長 Commander-in-chief 25,000
-
Hashiba Hidetsugu 羽柴秀次 25,000 -
Kuroda Kanbei 黒田官兵衛 8,000 - Hachisuka Iemasa 蜂須賀家政 7,000
Portraits are public-domain images from Wikimedia Commons (some are later imagined depictions).
How the battle unfoldedTimes follow the 3D clock
- 6th month, Tenshō 13Ch. 1
LandingCrossing to Awa
The 6th month of Tenshō 13. Hideyoshi, master of the realm, unleashes a great army on Shikoku. Its commander-in-chief is his brother Hashiba Hidenaga. Sixty thousand men cross the whirlpools of Naruto from Awaji and land on the shores of Awa. The Ukita move on Sanuki, the Kobayakawa on Iyo: Shikoku is attacked from three sides.
- 6th month, Tenshō 13Ch. 2
AdvanceClosing on Ichinomiya
Taking the castles of Kizu and Iwakura in quick succession, Hidenaga advances on Ichinomiya Castle, where the main Chōsokabe force is holed up.
- 7th monthCh. 3
SiegeIchinomiya Castle Surrounded
Hidenaga's 50,000 ring Ichinomiya Castle many ranks deep. The garrison is a mere 5,000. The gap in numbers is enormous.
- 7th monthCh. 4
WaterCutting the Water Supply
The garrison shows the grit of the "one-armour" soldier-farmers and throws back the besiegers again and again. But Hidenaga is in no hurry: he cuts the castle's water and closes its supply routes one by one.
- Leap 8th monthCh. 5
DecisionThe Prodigy of Tosa Sees the Truth
Report after report of Ichinomiya's peril reaches Chōsokabe Motochika at Hakuchi Castle. Even the "prodigy of Tosa," who had mastered Shikoku in a single generation, sees that he cannot stand against the army of the realm.
- Late leap 8th monthCh. 6
YieldShikoku Pacified
Motochika shaves his head and sues for peace. Confirmed in the single province of Tosa, he becomes Hideyoshi's vassal. The Chōsokabe dream of ruling Shikoku collapses after only a few months of fighting.
In Ultra detailBattle Pass
The same scene in the standard quality and in Ultra detail. Drag the line to compare, and switch between "Wide" and "Close-up". Ultra detail adds rugged mountains, forests and rocks in 3D, rippling seas and rivers, rows in the fields and soldiers as figures. Chapter 1 of every battle can be watched in Ultra detail without the Battle Pass.
FAQ
What was the Invasion of Shikoku?
Under Hashiba Hidenaga as commander-in-chief, the great Toyotomi army crosses to Shikoku from three directions. With Ichinomiya Castle in Awa lost, Chōsokabe Motochika can resist no longer and surrenders, and Shikoku is pacified.
When and where did the Invasion of Shikoku take place?
It took place in 1585 at Ichinomiya Castle, Awa Province (Tenshō 13).
Who fought in the Invasion of Shikoku?
Hashiba Hidenaga of the Hashiba forces, Chōsokabe Motochika of the Chōsokabe forces were among the commanders.
Can I watch the Invasion of Shikoku in 3D?
Yes. This page plays a free three-minute 3D animated overview showing the deployments, the movements of each army and how the battle was decided.