01
Castles
Towering keeps on stone bases became seats of power, markets and administration — not merely fortresses.
Chronicle · The Sengoku Era
When the centre fell, the provinces rose.
The Ōnin War broke the authority of the Ashikaga shogunate. From the ashes of Kyoto, regional warlords — the daimyo — carved Japan into rival domains, setting the stage for the age of the three unifiers.
01
Collapse
The shogun's court loses command over the provinces.
02
Fragmentation
Castle towns and clan alliances replace imperial order.
03
Ambition
The strongest daimyo begin to dream of one realm.
A realm divided: dozens of domains, each ruled from its own castle.
Turning points
Battles that bent a nation toward one rule
Follow the ambushes, sieges and betrayals that carried Japan from warring provinces to a single peace. Select a turning point to read its story.
Forces of the era
Five instruments that forged one realm
Unification was not won by blades alone. Stone, powder, decree and ledger reshaped Japan as surely as any battlefield.
02
Firearms
Matchlock arquebuses, arriving through southern ports, rewrote tactics: massed volleys outmatched mounted charges.
03
Sword hunts
Decrees disarmed the peasantry, fixing the line between warrior and farmer.
04
Land surveys
Measured fields and rice-yield registers turned territory into a taxable, governable map.
05
Alliances
Marriages, hostages and oaths bound rival lords to a single center of rule.
Onward
Step into the archive of a unified realm
Banners, castles, armour and maps — the chronicle you just read, rendered as a visual record. Walk the plates one by one.
Plates
Gallery · Portfolio · Facts