Battle of Sekigahara

Timeline

1. 1600Sekigahara · Gifu PrefectureTokugawa Ieyasu led the Eastern Army of about 70,000 against Ishida Mitsunari's Western Army of about 80,000 at Sekigahara; in heavy fog the vanguards clashed and the battle formally began.
2. 1600Sekigahara battlefield · Gifu PrefectureWestern general Kobayakawa Hideaki turned on his own side and attacked his allies, causing the Western line to collapse; Ishida Mitsunari and other core Western figures fled in defeat, and the Eastern Army won a decisive victory.
3. 1600Osaka · KansaiIeyasu entered Osaka, and Western daimyo were dispossessed, executed, or placed under surveillance; although Toyotomi Hideyori retained some domains, real power of the Toyotomi regime had effectively passed into Tokugawa Ieyasu's hands.