太子丹 [ㄊㄞˋ ㄗˇ ㄉㄢ; tai4 zi3 dan1] Prince Dan of Yan (-226 BC), commissioned the attempted assassination of King Ying Zheng of Qin 秦嬴政 (later the First Emperor 秦始皇) by Jing Ke 荆轲 in 227 BC ◄ ►