Zheng-tong: Year 3, Month 3, Day 15
9 Apr 1438
The local commander Nai Bi-lin and others who had been sent by Xi-li Ma-ha-lai, the king of the country of Siam, came to Court and offered tribute of peacocks and local products. A banquet as well as variegated silks and other goods, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 23, page 776