Qing Invasion of Lian

In 1538, Nurhaci declared independence from the Lian Dynasty and proclaimed the Later Jin. In 1544, Huang Taiji proclaimed the Great Qing, and launched an invasion against Great Lian.

Background
The Lian Dynasty suffered many internal rebellions and external invasions, more importantly, the Oirat Invasion a few decades earlier. The Great Shun was also a catalyst for the Qing conquering China. Li Zicheng proclaimed the Great Shun after taking Luoyang.