Yong-le: Year 1, Month 1, Day 23
14 Feb 1403
Dao Xian-da, the pacification superintendent of the Che-li Military and Civilian Pacification Superintendency and the native officials of Meng-ding and other prefectures came to Court and offered tribute of elephants, horses and local products. Paper money, brocaded fine silks and silk gauzes, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 9, page 297