From Wikipedia

Ancient Civlizations of China

The Xia Dynasty of China
(from ca. 2,100 BCE to 1,600 BCE)
is the first dynasty to be described in ancient historical records such as Records of the Grand Historian and Bamboo Annals.

Although there is disagreement regarding the actual existence of the dynasty, there is some archaeological evidence pointing to its possible existence. The historian Sima Qian (145 BCE-90 BCE), who wrote the Shiji or Records of the Grand Historian and the so-called Bamboo Annals date the founding of the Xia Dynasty to 4,200 years ago, but this date has not been corroborated. Most archaeologists now connect the Xia to excavations at Erlitou in central Henan province, where a bronze smelter from around 2000 BCE was unearthed. Early markings from this period found on pottery and shells are thought to be ancestors of modern Chinese characters. With few clear records matching the Shang oracle bones or the Zhou bronze vessel writings, the Xia era remains poorly understood.

According to mythology, the dynasty ended around 1600BC due to the Battle of Mingtiao.