"It is also believed there were many inventions originated from the time of Yellow Emperor, such as characters, ships and carts, medicines, music, sericiculture [Silk cultivation] and some daily utensils. Thus Huangdi was said to be the founder of Chinese civilization.He developed a strong army with which he defeated Shen Nongshi at Banquan (Henan Province).
Huangdi is also regarded as the central god among the five gods in the heaven in Chinese mythology." Source: Yellow Emperor
The wife of the Yellow Emperor was Xi Ling-Shi, Hsi-ling, or Xilingshi, who is credited with discovering silk.
- "Tracing a Chinese Legend: In Search of the Identity of the 'First Sericulturalist,'" by Dieter Kuhn; T'oung Pao Second Series, Vol. 70, Livr. 4/5 (1984), pp. 213-245
The Yellow Emperor is said to have ridden a dragon to Heaven to join the immortals when he died.
See Yellow Emperor, from About.com's Guide to Chinese Culture.