Li Yuan (李渊 566–635 CE) excelled at horse-riding, archery, and calligraphy as a young man. He was to be the future founder (reigned 618–626 CE) of the Tang dynasty (618–907 CE). Miss Dou was exceptionally smart and her father Dou Yi 窦毅, the governor of Dingzhou, was very particular about the quality of his future son-in-...