After many years of tribal wars, the Huangdi tribes, Yandi tribes and the Yi tribes formed an alliance which consisted of roughly 100 tribes, hence the origin of the Baixing (Chinese: 百姓), or the "hundred surnames."
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Thousands of years ago, along the plain of the Yellow River, there lived several large tribes, including the Huangdi tribes (Chinese: 黄帝族), Yandi tribes (Chinese: 炎帝族), Yi tribes (Chinese: 夷族) and the Jiuli Tribes (Chinese: 九黎族).