The main achievement of the Qin is the fact that it unified China, creating the first dynasty ruled by the first emperor Qin Shi Huang. Other well-known achievements is the creation of the Great Wall and a large army of Terracotta Warriors.

The Qin dynasty was the first dynasty of Imperial China. Named for its heartland in Qin state, the Qin dynasty arose as a fief of the Western Zhou and endured for over five centuries until 221 BC when it was briefly elevated to an empire, which lasted only until 206 BC.

Qin dynasty and Shi Haungdi

Platoons of clay soldiers were buried with China's first emperor, Qin Shi Huang Di, to accompany him during his eternal rest.Since the discovery of the Terracotta Army, more than 2,000 warriors and horses have been excavated from three different burial pits with an estimated 6,000 still buried underground.

The Han dynasty (206 BCE–220 CE) is known its long reign and its achievements, which included the development of the civil service and government structure; scientific advancements such as the invention of paper, use of water clocks and sundials to measure time, and development of a seismograph