Pedzisa mutsara unotevera: Nhare yeNerchinsk yakatangwa muna 1654. akavamba guta makore mana gare gare; mugore iroro akazarura kutaurirana kwakananga pakati pemisha yeRussia muTransbaikalia neavo vari paRwizi rweAmur iyo yakanga yavakwa neCossacks nevatengesi vematehwe kubva munharaunda yeYakutsk. Muna 1689 Russia neChina dzakasaina Chibvumirano cheNerchinsk, icho chakamisa kufambira mberi kwevaRussia kupinda mudziva reAmur kwemazana maviri emakore (ona
Kurwisana kwemuganhu weChina neRussia).