Changes

*1840/7 Representatives of the [[Dutch East India Company]] arrive at [[Nagasaki]] and inform of the outbreak of the [[Opium War]].

*1840/7 Representatives of the [[Dutch East India Company]] arrive at [[Nagasaki]] and inform of the outbreak of the [[Opium War]].

*1840/9 [[Takashima Shuhan|Takashima Shûhan]] offers a proposal to the shogunate on the production and use of artillery.

*1840/9 [[Takashima Shuhan|Takashima Shûhan]] offers a proposal to the shogunate on the production and use of artillery.

*1840/11 ''[[Sanboryochigae|Sanbôryôchigae]]'' - The daimyo of [[Shonai han]] (Dewa province), [[Kawagoe han]] (Musashi province), and [[Nagaoka han]] (Echigo province) are moved to one another's territories.

*1840/11 ''[[Sanboryochigae|Sanbôryôchigae]]'' - The daimyo of [[Shonai han|Shônai]] (Dewa province), [[Kawagoe han]] (Musashi province), and [[Nagaoka han]] (Echigo province) are moved to one another's territories. Following violent resistance by the people of Shônai, the order is withdrawn.

==Other Events of 1840==

==Other Events of 1840==