Huangdi, also known as the Yellow Emperor, is a legendary figure in Chinese history and mythology. He is often regarded as a cultural hero and a founding ancestor of the Chinese people. Huangdi is credited with numerous inventions, including the compass, traditional Chinese medicine, and the development of agriculture. His reign is traditionally dated to around 2697 to 2597 BCE. Huangdi is also associated with the Dao (Tao) philosophy and is considered a symbol of unity and harmony. His story is intertwined with the Five Emperors, a group of ancient rulers in Chinese lore. Many Chinese people honor him as a significant figure in their cultural heritage.