Yong-le: Year 6, Month 7, Day 19
10 Aug 1408
The Jiao-zhi Regional Military Commission memorialized : "The guards and battalions have insufficient soldiers left to fulfil defence duties. The Guang-dong regional commissioner Sun Quan, who led 10,000 troops to transport grain supplies, has now arrived here and the troops are equipped with ships and weapons. Permission is requested to temporarily retain them to provide defence." This was approved.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 11, page 1090