Zheng-tong: Year 10, Month 6, Day 18
22 Jul 1445
...and the chieftain Meng Dong and others from the Ba-bai/Da-dian Military and Civilian Pacification Superintendency in Yun-nan came to Court and offered tribute of elephants, horses and local products. A banquet as well as biao-li of variegated silks, suits of clothing, boots and socks, ding of paper money and other goods, as appropriate, were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 28, page 2588