19th century in Osaka

1861 battle of the Boshin War

Japanese samurai, Neo-Confucianism scholar and rebel leader in the late-Edo period

part of the Boshin War

Tekijuku (適塾) was a of Dutch studies (Rangaku) in Osaka, Japan. Ogata Kōan, a doctor and scholar of Rangaku, established it in 1838 during the Tenpō era of the late Edo period. Its official name was , named after one of Ogata's art names, . It was located in Osaka's traditional merchant neighborhood of on the main trading route between Nagasaki and Edo.

political conference in Osaka, Japan