Prime Tortoise of the Record Bureau is completed. 1037 Emperor Renzong Ding Du publishes the Jiyun rime dictionary . 1041 Bi Sheng invents the earliest movable type printing. 1043 Fan Zhongyan and Ouyang Xiu introduce the Qingli Reforms , which would soon be rescinded in 1045. 1044 Wujing Zongyao , first book