Chinese tradition names the first dynasty Xia TPR SOLE

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Main articles: Dynasties in Chinese history and Chinese sovereign
Chinese tradition names the first dynasty Xia, but it was considered mythical until scientific excavations found early bronze-age sites at Erlitou in Henan Province.[10] Archaeologists have since uncovered urban sites, bronze implements, and tombs in locations cited as Xia's in ancient historical texts, but it is impossible to verify that these remains are of the Xia without written records from the period
The second dynasty, the loosely feudal Shang, settled along the Yellow River in eastern China from the 18th to the 12th century BCE. They were invaded from the west by the Zhou, who ruled from the 12th to the 5th century BCE until their centralized authority was slowly eroded by neighboring warlords. Many strong, independent states continually waged war with each other in the Spring and Autumn period, only occasionally deferring to the Zhou king.
The first unified Chinese state was established by the Qin Dynasty in 221 BCE, when the office of the Emperor was set up and the Chinese language was forcibly standardized. This state did not last long, as its legalist policies soon led to widespread rebellion.
The subsequent Han Dynasty ruled China between 206 BCE and 220 CE, and created a lasting Han cultural identity among its populace that would last to the present day. The Han Dynasty expanded the empire's territory considerably with military campaigns reaching Korea, Vietnam, Mongolia and Central Asia, and also helped establish the Silk Road in Central Asia.
After Han's collapse, another period of disunion followed, including the highly chivalric period of the Three Kingdoms. Independent Chinese states of this period also opened diplomatic relations with Japan, introducing the Chinese writing system there. In 580 CE, China was reunited under the Sui. However, the Sui Dynasty was short-lived after a failure in the Goguryeo-Sui Wars (598–614) weakened it.