Tenpô 10 (天保十年)
Timeline of 1839
- 1839/4 Former shogun Tokugawa Ienari and his entourage move back in to the rebuilt Nishi-no-maru at Edo castle.
- 1839/5-12 Bansha no goku - Efforts are made to suppress Rangaku (Dutch/Western learning). A number of rangaku scholars, including Takano Chôei and Watanabe Kazan, are arrested and imprisoned.
- 1839/12 Reconstruction is completed at Edo castle, following the destruction of the Nishi-no-maru the previous year.
Other Events of 1839
- Louis Daguerre invents the daguerrotype in Paris.
- Sir John Frederick William Herschel coins the word "photography."
- Shieikan dôjô is established in Ichigaya, Edo, by Kondô Shûsuke.
Births and Deaths
- 1839/5/5 Echigo Saburô, member of the Shinsengumi, is born (d. 1892).
- 1839/11/9 Kanô Washio, Shinsengumi corporal, is born (d. 1902).
- Aridôshi Kango, member of the Shinsengumi, is born (d. 1869).
- Iesato Tsuguo, member of the Rôshigumi, is born (d. 1863).
- Kamishiro Jinnosuke, member of the Rôshigumi, is born.
- Nagakura Shinpachi, Shinsengumi captain, is born (d. 1915).
- Painter Nantenbô is born (d. 1925).
- Takasugi Shinsaku, leader of the Kiheitai, is born (d. 1867).
- Takechi Zuizan, Tosa Loyalist, is born (d. 1867).
- Artist Tsukioka Yoshitoshi is born (d. 1892).
- Yasutomi Saisuke, Shinsengumi investigator, is born.
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