The establishment of centralized absolutism in the Northern Song Dynasty, the establishment of People's Republic of China (PRC), and the elimination of separatist forces in the Northern Song Dynasty, Zhou Xiande was six years old (959), then Chai Rong of Zhou Shizong died of illness, and his youngest son Chai Zongxun succeeded to the throne. In the first month of the following year, Zhao Kuangyin launched a mutiny in Chen Qiaoyi (now Chenqiao Town, southeast of Fengqiu, Henan Province), led the army back to Kaifeng, seized the throne, established the Song Dynasty, changed the country name to Stegosaurus, and made Kaifeng its capital (see Chen Qiao mutiny).