Kasaku Sanchin

...China's unified dynasty following the Sui dynasty. 618-907. The capital was Chang'an (Xi'an, Shaanxi Province) and the secondary capital was Luoyang (Luoyang, Henan Province). The royal family of the Li clan, along with the royal family of the Northern Zhou Yuwen clan and the royal family of the Sui Yang clan, were from the Wuchuanzhen warlords, one of the six military corps deployed in the north by the Northern Wei dynasty, and many of the politics and systems of the Tang dynasty were inherited from those of the Northern Zhou and Sui dynasties. The name of the country, the Tang dynasty, is said to come from the fact that Li Yuan's grandfather Li Hu was given the title of Duke of Tang, which corresponds to Taiyuan County in the Han dynasty, by the Northern Zhou dynasty, and Li Yuan was promoted to King of Tang by the Sui dynasty.

*Some of the terminology used to refer to the "Heshuo Three Towns" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…中国，隋に続く統一王朝。618‐907年。首都は長安(陝西省西安市)で副都が洛陽(河南省洛陽市)。王室の李氏が北周王室の宇文氏，隋王室の楊氏とともに，北魏が北辺に配置した6軍団の一つである武川鎮軍閥の出身であるという共通点をもっていたこともあり，唐の政治と制度には北周と隋のそれらを継承するものが多い。唐朝の国号は，李淵の祖父李虎が漢の太原郡にあたる唐国公の封爵を北周より受け，また李淵が隋より唐王に進封されたことに由来するという。…

※「河朔三鎮」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報