Hong-wu: Year 19, Month 2, Day 18
18 Mar 1386
The envoy Zhao Yi-ren and others who had been sent by the king of the country of Siam (Hu), offered tribute of pepper, sapan-wood, frankincense and other products. It was ordered that patterned fine silks and clothing be conferred upon the envoys and that they be sent home.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 6, page 2678