Wow, this is a great dynasty in Chinese History. Paper was invented in Han. To minority groups, most Chinese people are Han, deriving from this. Silk can be made into delicate and beautiful clothes. The first machine can predict earthquake was also invented in Han Dynasty. The emperor sent several officers to middle Asia. The earlies sun macula record was in Han Dynasty. Wudi Emperor of Han is one of the most great emperors in Chinese history. More than what I have said.