Wikipedia:
Mamiya Rinzo
- This is a Japanese name; the family name is Mamiya.
Mamiya Rinzo (間宮 林蔵, 1775 - 13 April 1844) was a Japanese explorer of the late Edo period. Later in his life he would become an undercover agent for the Tokugawa shogunate. He is best known for his exploration and mapping of Sakhalin (known to the Japanese as 樺太, Karafuto), which resulted in his discovery that Sakhalin was indeed an island and not connected to the Asian continent.
Mamiya was born in 1775 in Tsukuba District, Hitachi Province, in what is now Tsukubamirai, Ibaraki Prefecture.
See also
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