Yong-le: Year 4, Month 7, Day 25
8 Aug 1406
Imperial orders were sent to the Cheng-guo Duke Zhu Neng, regional commander of the force being sent on expedition to punish Annam. The orders read: "When the army subdues Annam, all the people of the various countries who were previously taken captive by the Li bandits are to be released and sent home.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 11, page 832