From 1640s to 1680s, the conflicts between Qing dynasty and Russian Empire around the area of Albazino (Manchus named this village Yaksa) intensified.

[2] In 1653, Russian expeditions in Siberia led by Yerofey Khabarov eventually turned into an armed conflict between Manchu and Cossacks.

[3] Cattle and horses in the hundreds were looted and 243 ethnic Daur Mongolic girls and women were raped by Russian Cossacks under Yerofey Khabarov when he invaded the Amur river basin in the 1650s.

General of Sahaliyan Ula, the local Manchu military commander, decided to send them to Beijing and Shengjing.

In 1881, Nikolai Adoratsky who later became bishop of Orenburg, was sent to Beijing in charge of the pastoral affairs of Oros Niru.

He documented the history of Oros niru in his work "The Orthodox Mission in China for the last 200 years of its existence".