Pax Sinica (Latin for "Chinese peace") is a historiographical term, modeled after the original phrase Pax Romana, applied to the period of peace in East Asia, maintained by Chinese hegemony. During this period, long-distance trade flourished, cities ballooned, standards of living rose, and the population surged. It is usually the period of rule by the Western Zhou, Western Han, Eastern Han, Tang, Ming, and Qing dynasties. During these periods, China maintained the dominant civilization in the region, due to its political, economic, military and cultural power. The first Pax Sinica of the eastern world by Han China coincided with the Pax Romana of the Western World by Rome. It stimulated the long-distance travel and trade in Eurasian history. The Pax Sinica and Pax Romana both eroded at about 200 AD. Sui China (581-618) established a second Pax Sinica in AD 589, continued by Tang China (618–907). This was considered one of the golden ages of China. The economy, commerce, culture, and science was flourishing and reached new heights. During the early Tang-era, most notably during Emperor Taizong's reign, the Chinese brought their nomadic neighbors to submission. This secured the safety and peace at the many trade routes. The Pax Sinica brought forth a new age for exchange via the Silk Road. The Chinese civilization became open and cosmopolitan to all people from near and far away. Many people from different backgrounds and denominations traveled to the capital of Chang'an. These included clerics, merchants, and envoys from India, Persia, Arabia, Syria, Korea, and Japan.