425
Year 425 was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Theodosius and Valentinianus. The denomination 425 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Events
By place
Roman Empire
- 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.
- October 23 - Valentinian III, six-year-old son of Galla Placidia, is installed as emperor of the Western Roman Empire. Real power is in the hands of his mother who becomes a regent.
- Flavius Aetius leads a force of Huns into Northern Italy. He reaches a compromise with Placidia, in return for obtaining the rank commander-in-chief in Gaul.
- The Huns advance unopposed on Constantinople, but are halted by a plague that decimates their hordes.
Israel
- After death of Gamaliel VI, the Sanhedrin is disbanded by the Roman Empire.
By topic
Arts and Sciences
- Last known usage of Demotic script in Egypt.
- c. 425-426 - Mausoleum of Galla Placidia is built.
Education
- February 27 - The University of Constantinople is founded by emperor Theodosius II at the urging of his wife Aelia Eudocia.
Religion
- Buddhism begins to spread to Southeast Asia.
Births
- Iamblichus, Syrian philosopher
- Zeno, Byzantine Emperor
Deaths
- November 5 - Atticus, archbishop of Constantinople
- Gamliel VI, last Nasi
- Helian Bobo, emperor of the Chinese Xiongnu state Xia
- Joannes, Roman usurper
- Mavia, Arab warrior-queen
- Sulpicius Severus, Christian writer
- Yax Nuun Ayiin I 15th Ajaw of Tikal