Introduction to the Imperial Palace of the Eastern Han Dynasty: The Eastern Han Dynasty is also called the Later Han Dynasty. It lasted from 25 AD when Liu Xiu became emperor to 220 AD when Cao Pi took over the Han Dynasty. Because the capital Luoyang was to the east of Chang'an, the capital of the Western Han Dynasty, it was called the Eastern Han Dynasty in history. The Eastern Han Dynasty established its capital in Luoyang and lasted for 196 years. There were 14 emperors in the Eastern Han Dynasty.