China, The Han dynasty

The Han dynasty was founded by Liu Pang (best known by his temple name, Kao-tsu), who assumed the title of emperor in 202 BC. Eleven members of the Liu family followed in his place as effective emperors until AD 9. In that year the dynastic line was challenged by Wang Mang, who established his own regime under the title of Hsin. In AD 25 the authority of the Han dynasty was reaffirmed by Liu