425 CE
The University of Constantinople is founded by emperor Theodosius II at the urging of his wife Aelia Eudocia. The Huns advance unopposed on Constantinople, but are halted by a plague that decimates their hordes (see 433). After death of Gamaliel VI, the Sanhedrin is disbanded by the Roman Empire.
In the 420s, the 5th century.
Conflict & Security
- Roman civil war: Summer – Joannes, Roman usurper, is defeated at the fortified city of Ravenna and brought to Aquileia. After a humiliating parade on a donkey and the insults of the populace, he is executed.source
- Flavius Aetius leads a force of Huns (60,000 men) into Northern Italy. He reaches a compromise with Placidia, in return for obtaining the rank commander-in-chief (magister militum) in Gaul.source
Religion & Belief
- October 23 – Valentinian III, six-year-old son of Galla Placidia, is installed as emperor (Augustus) of the Western Roman Empire. Real power is in the hands of his mother who becomes a regent.source
- Buddhism begins to spread to Southeast Asia.source
- After death of Gamaliel VI, the Sanhedrin is disbanded by the Roman Empire.source
Health & Medicine
- The Huns advance unopposed on Constantinople, but are halted by a plague that decimates their hordes (see 433).source
Culture & Society
- February 27 – The University of Constantinople is founded by emperor Theodosius II at the urging of his wife Aelia Eudocia.source
- c. 425–426 – Mausoleum of Galla Placidia is built.source