Emperor Liu Bang, also known as Emperor Gaozu of Han, was the founder of the Han Dynasty in ancient China. Born in 256 BC, he started his career as a peasant and later became a military leader. Liu Bang played a crucial role in the rebellion against the Qin Dynasty, which led to its downfall. In 202 BC, he declared himself emperor, establishing a new era of governance. Under Liu Bang's rule, the Han Dynasty brought stability and prosperity to China. He implemented policies that favored the common people, reduced taxes, and promoted agriculture. His reign marked the beginning of a significant cultural and economic development that would last for centuries.