Tu, Y. and Fu, Y. (2025) A Monumental Work Analyzing the Historical Changes of the Han and Tang Dynasties. Open Access Library Journal, 12, 1-7. doi: 10.4236/oalib.1112753 .
This trend continued through the Western Han dynasty (206BC – AD24). The Qin was China’s first imperial dynasty, with its capital at Xianyang in what is now the northwestern province of Shaanxi.
BEIJING -- An asteroid has been named after Liu Hui, a mathematician who lived during China's Wei and Jin dynasties (220-420), to honor both Liu and the Chinese mathematics he represented.