5 events the sources record for this year, grouped by region.
What happened
China (3)
On the return from the northern campaign he died at Yumuchuan at age 65. Because the Six Armies were still outside, it was kept secret and the body was carried back. (History of Ming (Mingshi), Annals 明史 卷7 永樂二十二年)
Crown Prince Zhu Gaochi (Renzong) ascended the throne; the following year was named the first year of Hongxi, and the voyages of the Treasure Ships to the West were halted. (History of Ming (Mingshi), Annals 明史 卷8 永樂二十二年)
In Jiaozhi, Fang Zheng fought Le Loi at Tra Long and was defeated; Wu Yun was killed in action. (History of Ming (Mingshi), Annals 明史 卷8 永樂二十二年)
Korean Peninsula (2)
Ollyanghap Sim Ji-hwi asks for food because of a Tatar invasion (Annals of the Joseon Dynasty 世宗實錄 六年 · 世宗實錄 8책 24권 8장 B면 · 기사 wda_10604026_002)
The Pyeongan governor reports that sixteen men and women of Ganggye-bu turned away from the state and fled (Annals of the Joseon Dynasty 世宗實錄 六年 · 世宗實錄 9책 26권 18장 A면 · 기사 wda_10610022_002)