The Sengoku period, also known as the Warring States period, begins in Japan, marking an era of social upheaval, political intrigue, and nearly constant military conflict among various competing feudal lords (daimyos).
The Onin War marks the outbreak of widespread civil war in Japan, which ignited the Sengoku period. It weakened the Ashikaga shogunate and created a power vacuum filled by regional lords.
Oda Nobunaga begins his campaign to unify Japan under his rule, employing innovative military tactics and promoting trade and culture.
Oda Nobunaga is betrayed and forced to commit seppuku during the Incident at Honnō-ji, interrupting his unification efforts.
Toyotomi Hideyoshi, Nobunaga’s retainer, defeats Akechi Mitsuhide to avenge Nobunaga’s death and continues unification efforts.
A decisive battle that establishes Tokugawa Ieyasu as the dominant power in Japan, setting the stage for the Tokugawa shogunate.
Tokugawa Ieyasu is appointed shogun, beginning a period of peace and stability known as the Edo period, lasting over 250 years.
Japan descends into a period of constant warfare and political intrigue among various samurai clans following the weakening of the Ashikaga Shogunate.
The ambitious Oda Nobunaga begins his campaign to unify Japan under his rule, introducing new warfare tactics and seeking to dismantle the traditional samurai authority.
Shiba Yoshimune openly allies with the Oda clan, indicating the shifting loyalties among the samurai clans during the turbulent period.
Takeda Shingen solidifies control of the Kai Province and expands his domain aggressively, clashing with neighboring clans including the Oda and Uesugi.
Oda and Tokugawa forces employ innovative volley-fire tactics with arquebuses to decisively defeat the Takeda cavalry, weakening the Takeda clan's power significantly.
Tokugawa Ieyasu forms an alliance with Oda Nobunaga to oppose common enemies and stabilize their influence in central Japan.
Oda Nobunaga seizes Gifu Castle, consolidating his control over Mino Province and furthering his campaign to unify Japan.
Following their defeat at Okehazama and further losses, the Imagawa clan loses its influence and power in the region.