Hong-wu: Year 15, Month Intercalary 2, Day 29
13 Apr 1382
E Tao, native chieftain of Jing-dong, presented 160 horses, 3,100 liang of silver and two trained elephants. It was Imperially commanded that Jing-dong Prefecture be established, that E Tao take charge of prefectural affairs and that patterned fine silk robes be conferred upon him.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 5, page 2247