AD 411
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Year 411 (CDXI) was a common year starting on Sunday of the Julian calendar. At the time, it was known in Rome as the Year of the Consulship of Theodosius without colleague (or, less frequently, year 1164 Ab urbe condita). The denomination 411 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 of 407–415: Battle of Vienne: Emperor Constantine III sends his son Constans II to stop the advance of Gerontius. Constans is defeated and killed. Battle or siege of Arles: Emperor Honorius sends two Roman generals to deal with the usurper Constantine III in Gaul. They take over the army of Gerontius, Constantine's rebellious general (magister militum) who flees to Spain, then defeat Edobichus near Arles and defeat Constantine III. He is taken prisoner and put to death at Ravenna. Following the defeat of Constantine III, the Burgundians and the Gallic nobility proclaim Jovinus, Gallo-Roman senator, emperor of the Western Roman Empire at Mogontiacum (modern Mainz). King Ataulf leads the Goths into Gaul at the instigation of Honorius, who promises to recognise a Visigothic Kingdom if he defeats the several usurpers who threaten the Roman Empire.
- The Alans establish their rule in the Roman province of Lusitania (Portugal south of the Duero River and Spain).
- The Teutonic tribes in Spain join the Roman Empire as foederati (allies with military commitments).
Asia
- Ingyo succeeds his brother Hanzei, and becomes the 19th emperor of Japan.
By topic
Religion
Births
Deaths
- September 18 – Constantine III, Roman usurper
- Constans II, usurper and son of Constantine III
- Gerontius, Roman general
- Gundomar I, king of Burgundy
- Yax Nuun Ayiin I, king of Tikal (Guatemala) (approximate date)