Zheng-tong: Year 7, Month 2, Day 24
4 Apr 1442
Xu Yong-da, the Shan-xi Provincial Surveillance Commissioner, died. Yong-da ( zi Zhi-dao) had his origins in Gui-de Subprefecture, He-nan. ...In the early years of the Xuan-de reign (1426-35), he was promoted to vice minister of the Court of State Ceremonial. He was then promoted to chief minister. At that time, the Jiao-zhi chieftain Chen Hao had died and his minister Li Li was plotting rebellion. There was agitation on the Southern borders. The Emperor sent Yong-da to that country and Yong-da instructed Li in the differences between according and rebelling and advised of what would bring calamity and what would bring prosperity. Li kowtowed and admitted guilt and offered tribute to the Court. He also offered presents of precious gifts to Yong-da, but they were refused. The Emperor was greatly pleased and rewarded him richly...
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 26, page 1800/01