The Liu Dynasty was a Chinese dynasty that ruled from 206 BCE to 220 CE, following the collapse of the Qin Dynasty. It is also known as the Han Dynasty, which is divided into two periods: the Western Han and the Eastern Han. The dynasty is recognized for its significant contributions to Chinese culture, governance, and economy, establishing a centralized bureaucratic system. Under the Liu Dynasty, the Silk Road trade routes were expanded, facilitating cultural and economic exchanges between China and other regions. The dynasty also saw advancements in technology, literature, and philosophy, with notable figures such as Confucius influencing its development. The Liu Dynasty laid the foundation for future dynasties in China.