Huangdi, also known as the Yellow Emperor, is a legendary sovereign and cultural hero in ancient Chinese history. The term Huangdi translates to קיסר צהוב in Hebrew, 黄帝 in Chinese, and Huángdì in pinyin. Huangdi is traditionally credited with developing Chinese characters, the first constitution, and various other cultural and technological advancements. He is often regarded as the ancestor of all Chinese people and a symbol of unity and civilization. Huangdi's reign is typically dated to between 2711 and 2599 BCE, although these dates are not historically verified. His legacy is deeply embedded in Chinese mythology, philosophy, and traditional medicine, where he is revered as a sage and a deity. The Yellow Emperor is also a central figure in the Huangdi Neijing, a foundational text of traditional Chinese medicine.