In 1644, northern Manchu clans overthrew the Ming to establish the Qing dynasty, incorporating Mongolia as well, Thus, for the second time, China was ruled by the very people the wall had tried to keep out.
Pada 1644, klan Manchu utara menggulingkan Ming mendirikan dinasti Qing, menggabungkan Mongolia juga, Untuk kedua kalinya, China dikuasai oleh pihak yang dihalangi oleh tembok tersebut.