Hong-wu: Year 24, Month 6, Day 27
28 Jul 1391
The envoy sent by Dao Ban-mian, the native official of the Ba-bai Pacification Superintendency in Yun-nan, offered tribute of elephants and local products. Previously, the Xi-ping Marquis Mu Ying had sent Yang Wan-zhe, a company commander of the Yun-nan Left Guard, to go to Ba-bai to soothe and encourage them. At this time, they came to offer tribute.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 7, page 3122/23