The world in 431 AD — what happened that year

9 events the sources record for this year, grouped by region.

What happened

Helian Ding raided north against Juqu Mengxun but was captured by Mu Huo of the Tuyuhun. (History of the Northern Dynasties (Beishi), Annals 北史卷2 神䴥4年)
Tan Daoji defeated the Wei army at Shouzhang in Dongping. (Book of Song (Songshu), Annals 宋書卷5 元嘉8年 1月)
Huatai fell to Wei. (Book of Song (Songshu), Annals 宋書卷5 元嘉8年 2月)
Xiao Sihua, Governor of Qingzhou, abandoned his city and fled. (Book of Song (Songshu), Annals 宋書卷5 元嘉8年 2月)
Song's Tan Daoji defeats Northern Wei's Yi Zhanjuan, Duke of Anping, at Shouzhang. (Zizhi Tongjian (Comprehensive Mirror) 卷122)
Western Qin's Qifu Mumo surrenders to Xia at Nan'an, ending Western Qin; afterward Xia's Helian Ding has Mumo's clan killed. (Zizhi Tongjian (Comprehensive Mirror) 卷122)
Northern Wei takes Huatai and captures Zhu Xiuzhi (January). (Zizhi Tongjian (Comprehensive Mirror) 卷122)

The Wae invaded the eastern frontier and besieged Myeongwol, but withdrew without achieving anything. (Samguk Sagi (History of the Three Kingdoms) 卷03 訥祇麻立干 15年)

Palladius was sent as the first bishop to the Scots who believed in Christ. (Bede, Ecclesiastical History of the English People Bede HE 1.13)