433 CE

Flavius Aetius returns to Italy with the support of the Huns. He gains control over the young emperor Valentinian III, and becomes his "protector". Pope Sixtus III helps to settle a Christological dispute between the patriarchs Cyril of Alexandria and John of Antioch, that has continued since the First Council of Ephesus, two years ago. They sign the "Formula of Reunion", thus ending their conflict over Nestorianism. Petronius Maximus is appointed consul of the Western Roman Empire.

Geopolitics & Diplomacy

Flavius Aetius returns to Italy with the support of the Huns. He gains control over the young emperor Valentinian III, and becomes his "protector".source
Petronius Maximus is appointed consul of the Western Roman Empire.source

Religion & Belief

Pope Sixtus III helps to settle a Christological dispute between the patriarchs Cyril of Alexandria and John of Antioch, that has continued since the First Council of Ephesus, two years ago. They sign the "Formula of Reunion", thus ending their conflict over Nestorianism.source

Births

Liu Bing, high official of the Liu Song dynasty (d. 477)source

Deaths

Huiguo, Chinese Buddhist Abbess (b. 364)source
Xie Lingyun, Chinese poet of the Southern and Northern dynasties (b. 385)source
Juqu Mengxun, prince of the Xiongnu state Northern Liang (b. 368)source