In 1755 heavy flooding afflicted the Lower Yangzi and Huai River valleys, and in 1785 a dreadful drought blanketed the Lower and Middle Yangzi Valley, the North China Plain, and Manchuria.

• 1755年的大洪灾袭击了长江下游地区和淮河流域，1785年严重的旱灾笼罩着长江中下游地区、华北平原和满洲。