Mezue ahịrịokwu na-esonụ: N'afọ ndị 1650, alaeze ukwu Qing lụsoro ndị Tsardom nke Russia agha n'usoro
esemokwu ókèala n'akụkụ mpaghara Osimiri Amur, nke kwubiri na Qing na-achịkwa mpaghara ahụ mgbe nnọchibido nke Albazin gasịrị.