 The "Pax Sinica" established by the Han dynasty is often compared to the "Pax Romana" of the Roman Empire.The "Pax Sinica" of the Han dynasty ended following decades of internal turmoil that later led to the downfall of the Han dynasty and a period of fragmentation in Chinese history.The Tang dynasty was one of the golden ages in Chinese history and presided over another period of "Pax Sinica".