Cheng-hua: Year 5, Month 8, Day 27
2 Oct 1469
The attendant minister Yang Wen-dan and others who had been sent by Li Hao, the king of the country of Annam, presented a memorial and came to Court to offer tribute of local products. A banquet as well as clothing, variegated silks and other goods, as appropriate, were conferred upon them. It was also ordered that variegated silks and patterned brocades be given to Wen-dan and the others to confer, on their return, upon their king.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 42, page 1384