我国古代史中有唐、虞、夏、商、周。夏朝最后一个王叫桀,暴虐无道、荒淫无耻、诸侯商汤顺从民意,灭了夏桀,建立了商王朝。商族的祖先本是黄河下游的一个部落。传说一个叫简狄的女子有一天和两个女友在河边洗澡,忽然一只燕子从头上飞过,掉下一个燕子蛋,简狄拾起来就吞吃了。不久怀了孕,生下了一个小男孩,名字叫契。契就是 Ancient Chinese history, Tang, Yu, Xia, Shang, Zhou. The last king of the Xia Dynasty called the tyrant, tyranny no way, cruel and shameless, princes Merchants Tang obey public opinion, annihilated Xia Kui, the establishment of the Shang dynasty. The ancestor of the Shang clan was a tribe in the lower reaches of the Yellow River. Legend has it that a woman called Jane Di one day with two girlfriend bathing in the river, suddenly a swallow fly from head to head, dropped a swallow egg, Jane Di pick up and swallowed. Soon pregnant, gave birth to a little boy, called the name deed. Contract is