What does "three-thirds system" mean? Brief introduction of "three-thirds system"

1. In the Western Zhou Dynasty, Taishi, Taifu and Taibao were the three capitals. In the Eastern Han Dynasty, Taiwei, Situ and Sikong were three, ranking first, while there were no Taishi and Taibao in the Eastern Han Dynasty, only Taifu was three.

2. In the Northern Wei Dynasty, Taishi, Taifu and Taibao were also called the Three Divisions Shanggong. Jin Shu? Tian: "South Samsung and West Samsung, the first stars in the world, all say' three publics', and advocate the tone of virtue and seven policies, and the official of yin and yang." Among them, the third palace, located in the west of Kuiyi Star, is now the third division. Compared with the different views on constellations in ancient dynasties, the three divisions (Star Officer), Three Divisions (Ziweiyuan) and Three Divisions (Taiweiyuan) all have their own corresponding views.

3. In the Western Han Dynasty, there were three prime ministers (later changed to Da Situ), Tai Wei (later changed to Fu) and Shi Yufu (later changed to Da Sikong). During the Eastern Han Dynasty, Qiu, Situ and Three were called "Three Fairs". Become the highest honorary title in Sui and Tang Dynasties.

4. Now, Qiu and Situ are changed to Sangong, and Taishi, Taifu and Taibao (formerly known as Sangong) are changed to Sangong. The three fairs in the Yuan Dynasty and Ming and Qing Dynasties were Taishi, Taifu and Taibao.