In 1123, Akutêng died, and was canonised as the first Emperor of the
Chin, or Golden Dynasty. He was succeeded by a brother; and two years
later, the last Emperor of the Kitans was captured and relegated to
private life, thus bringing the dynasty to an end.

The new Emperor of the Nü-chêns spent the rest of his life in one long
struggle with China. In 1126, the Sung capital, the modern K`ai-fêng
Fu in Honan, was twice besieged: on the first occasion for thirty-three
days, when a heavy ransom was exacted and some territory was ceded; on
the second occasion for forty days, when it fell, and was given up to
pillage. In 1127, the feeble Chinese Emperor was seized and carried off,
and by 1129 the whole of China north of the Yang-tsze was in the
hands of the Nü-chêns. The younger brother of the banished Emperor was
proclaimed by the Chinese at Nanking, and managed to set up what is
known as the southern Sung dynasty; but the Nü-chêns gave him no rest,
driving him first out of Nanking, and then out of Hangchow, where he had
once more established a capital. Ultimately, there was peace of a more
or less permanent character, chiefly due to the genius of a notable
Chinese general of the day; and the Nü-chêns had to accept the Yang-tsze
as the dividing line between the two powers.

The next seventy years were freely marked by raids, first of one side
and then of the other; but by the close of the twelfth century the
Mongols were pressing the Nü-chêns from the north, and the southern
Sungs were seizing the opportunity to attack their old enemies from
the south. Finally, in 1234, the independence of the Golden Dynasty
of Nü-chêns was extinguished by Ogotai, third son of the great Genghis
Khan, with the aid of the southern Sungs, who were themselves in turn
wiped out by Kublai Khan, the first Mongol Emperor to rule over a united
China.