Tile of Han Dynasty In Chinese history, Han consisted of two dynasties: the Western Han (206 BC - 24 AD) and the Eastern Han (25 - 220). During the period there were 24 emperors on the throne. Many were excellent contributing to the prosperity of the country with Emperors Gaozu, Wen, Jing and Wu among them. As many wise emperors took effective measures during their reign, the Han Dynasty was a period of peace and prosperity.