In June 1858, when the Second Opium War ended, China signed the Treaty of Tientsin with Britain and France respectively, which stipulated that Niu Zhang was to be opened as a trading port and that Christians and Catholics could preach freely and had the right to purchase land for any purpose.

[2] The Good News was brought to the Shenyang area by Jean Chenin (in Chinese: 神南诺望), a French missionary, who came in 1861 by way of Yingkou and rented a private house for the mission.

Lamasse arrived in China in 1894, founding a mission at Tieling before being forced to flee in the wake of the Boxer Rebellion.

[4] He arrived in Shenyang three month after the Boxers had been defeated, and immediately began building the city's cathedral using indemnity money paid by the Qing government to the foreign powers which had defeated the Boxers.

This article on a Roman Catholic cathedral in Asia is a stub.