(2) Northern Dynasties and Six Dynasties. The Three Kingdoms Wei, Western Jin, Northern Wei, Northern Qi, Northern Zhou and Sui were all based in the north, also known as the Six Dynasties. (3) Later generations refer to the north and south before the reunification of the Three Kingdoms and Sui Dynasty.
1. Song, Qi, Liang and Chen in the Eastern Jin Dynasty and Southern Dynasties: The six dynasties with their capital in Jiankang (now Nanjing) were all named after Wai in the Tang Dynasty, and these six dynasties were recorded in Jiankang Ji;
2. Cao Wei, Jin Dynasty and Southern Song Dynasty, Qi Liang Chen: Cao Wei, Jin Dynasty, Six Dynasties and Southern Song Dynasty, Qi Liang Chen were inherited, because Sima Guang in the Northern Song Dynasty wrote Zi Tong Zhi Jian, which was regarded as an orthodox chronicle. Five Dynasties and Ten Kingdoms, commonly known as the Five Dynasties. After the demise of the Tang Dynasty, Hou Liang, Later Tang Dynasty, Later Jin Dynasty, Later Han Dynasty, Wu Hou Dynasty and more than a dozen regimes, such as Xishu, Jiangnan, Lingnan and Hedong, appeared in the Central Plains, collectively known as the Five Dynasties and Ten Countries. The "Five Dynasties" are more inclined to these five dynasties located in the Central Plains, which is generally called the Five Dynasties Central Dynasty by orthodox historians. The Five Dynasties refers not to a dynasty, but to a special historical period between the Tang and Song Dynasties.