Huangdi born around 2704 BC. Began ruling in 2697 BC. Introduced wooden houses, carts, boats, bow and arrow, writing. Defeated barbarians in Shanxi battle to lead Yellow River tribes. Introduced government institutions and coined money. Wife discovered silk production and taught weaving. Held as paragon of wisdom in golden age reign. Dreamed of Daoist ideal kingdom with natural harmony. Inculcated dream virtues for order and prosperity. Became immortal after death.