The Han State, also known as the Han Dynasty, was a significant period in Chinese history that lasted from 206 BCE to 220 CE. It is divided into two main periods: the Western Han and the Eastern Han. The dynasty is known for its advancements in technology, culture, and trade, including the development of the Silk Road, which facilitated commerce between China and other regions. The Han State established a centralized government and promoted Confucianism as the state philosophy, influencing Chinese society for centuries. The dynasty also saw the invention of paper and improvements in agriculture, which contributed to population growth and economic prosperity.