424 CE
Flavius Anthemius Isidorus becomes the new Praetorian prefect of Illyricum, comprising most of Greece and Serbia, taking office at the capital, Sirmium (now Sremska Mitrovica in Serbia). (Jing'ping era, 2nd year, 5th month (wǔyuè), the yi'you day) Emperor Shao of the Liu Song dynasty of China, is deposed by government ministers Xu Xianzhi and Fu Liang, who install his younger brother Prince Liu Yilong as the new Emperor. (Yuanjia era, 1st year, 8th month (bāyuè), dingyou day) Prince Liu Yilong is formally enthroned as the Emperor Wen of Song of China at its capital in Jiankang.
Geopolitics & Diplomacy
- July 7 – (Jing'ping era, 2nd year, 5th month (wǔyuè), the yi'you day) Emperor Shao of the Liu Song dynasty of China, is deposed by government ministers Xu Xianzhi and Fu Liang, who install his younger brother Prince Liu Yilong as the new Emperor.source
- Church of the East declares itself independent, under Catholicos of the East Dadisho.source
Conflict & Security
- Winter – A Roman army under the command of Ardaburius leaves Thessalonica (modern Central Macedonia) and marches for Northern Italy, where they make their base at Aquileia.source
- Roman usurper Joannes sends Flavius Aetius, governor of the Palace (cura palatii), to the Huns to ask for their assistance. After negotiating, he returns to Italy with a large force.source
Religion & Belief
- April 22 – Flavius Anthemius Isidorus becomes the new Praetorian prefect of Illyricum, comprising most of Greece and Serbia, taking office at the capital, Sirmium (now Sremska Mitrovica in Serbia).source
Crime & Justice
- August 4 – (Jing'ping era, 2nd year, 6th month ( liùyuè), the guichou day) Former Emperor Shao of China, exiled to Suzhou is murdered by an assassin.source
Culture & Society
- September 17 – (Yuanjia era, 1st year, 8th month (bāyuè), dingyou day) Prince Liu Yilong is formally enthroned as the Emperor Wen of Song of China at its capital in Jiankang.source
- October 23 – Emperor Theodosius II nominates his cousin Valentinian, age 5, the imperial title nobilissimus Caesar ("most noble") of the Western Roman Empire. Valentinian is betrothed to Theodosius's own daughter Licinia Eudoxia, who is only 2 years old.source