This period ended following the "Age of Reforms" and the assassination of the Count of Zhi, who was the chief minister of the (*) Jin State.  
One story from this period recounts how a king lost a battle after falling hopelessly in love with the famous beauty Xi Shi. Prominent leaders during this period included Duke Huan, who became a ba, one of the Five Hegemons.  This period ended following the "Age of Reforms" and the assassination of the Count of Zhi, who was the chief minister of the (*) Jin State.  It began when a new kingdom was founded in Luoyang called the Eastern Zhou Dynasty, and it witnessed a flowering of philosophical ideals called the Hundred Schools of Thought.  This period gets its name from a chronicle of the Lu state attributed to Confucius.  For 10 points, name this period of Chinese history before the Warring States period.
One story from this period recounts how a king lost a battle after falling hopelessly in love with the famous beauty Xi Shi.
Spring and Autumn Period [or Chunqiu or Ch'un-ch'iu; prompt on Zhou Dynasty before mentioned]