 In 943, the Khitans declared war and within three years seized the capital, Kaifeng, marking the end of Later Jin.But while they had conquered vast regions of China, the Khitans were unable or unwilling to control those regions and retreated from them early in the next year.To fill the power vacuum, the jiedushi Liu Zhiyuan entered the imperial capital in 947 and proclaimed the advent of the Later Han, establishing a third successive Shatuo reign.