Hosokawa Katsumoto

MedievalGeneralJapan1430 — 1473

Kanrei whose conflict with Yamana sparked the Onin War.

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Quick Facts

Born

1430

Died

1473

Country

Japan

Era

Medieval

Occupation

General

Score Overview

Military (10%)40

Political (20%)42

Influence (20%)53

Legacy (20%)48

Leadership (15%)61

Strategy (15%)50

Total Score49.7

Hosokawa Katsumoto — Complete Timeline

1464 AD

Appointed Kanrei of the Ashikaga ShogunatePolitical Action◆ Major

Hosokawa Katsumoto was appointed kanrei (deputy shogun) under Shogun Ashikaga Yoshimasa. He became a central figure in the shogunate's politics during a period of declining central authority and rising daimyo power.

Ashikaga ShogunateKanreiYoshimasa

Impact: national

1467 AD

Initiated the Onin WarWar

Katsumoto's forces clashed with Yamana Sozen's army in Kyoto, sparking the Onin War. The conflict began with street battles in the capital and quickly engulfed the entire country, leading to widespread destruction and the collapse of central authority.

Onin WarCivil WarKyoto

Impact: nationaldestructive

Conflict with Yamana Sozen Over Shogunal SuccessionPolitical Action◆ Major

Katsumoto backed Shogun Yoshimasa's brother Yoshimi as successor, while Yamana Sozen supported Yoshimasa's son Yoshihisa. This succession dispute escalated into armed conflict, drawing most daimyo into opposing camps.

Succession CrisisYamana SozenOnin War

Impact: nationaldestructive

1473 AD

Death During the Onin WarOther◆ Major

Katsumoto died of illness in 1473 while the Onin War was still raging. His death, along with Yamana Sozen's death the same year, removed the main protagonists but the war continued for another four years under their successors.

DeathOnin WarHosokawa Clan

Impact: nationaltragic