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Theodosius I

Roman emperor from 379 to 395

24 dated entries naming Theodosius I, drawn from 19 separate years between 347 CE and 410 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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4th century

  • 347January 11 – Theodosius I, Roman Emperor (d. 395)source
  • 35631 March – Aelia Flaccilla, Roman empress and wife of Theodosius I (d. 386)source
  • 379January 19 – Emperor Gratian elevates Flavius Theodosius at Sirmium, giving him the title Augustus with power over all the eastern provinces. Theodosius comes to terms with the Visigoths and settles them in the Balkans as military allies (foederati).source
  • 380Emperor Theodosius I is baptized.source
  • 381The Visigothic chieftain Athanaric becomes the first foreign king to visit the Eastern Roman capital of Constantinople. He negotiates a peace treaty with emperor Theodosius I that makes his people foederati as "one body within the imperial soldiery". Athanaric dies 2 weeks later after an 18-year reign in which he has been undisputed king of all the Goths for just 1 year. The peace will continue until Theodosius's death in 395.source
  • 382October 3 – Emperor Theodosius I commands his general Saturninus to conclude a peace treaty with the Visigoths, allowing them to settle south of the Danube. They are installed as foederati in Moesia and Thrace with the title of "Allies of the Roman People", in exchange for furnishing a contingent of auxiliary troops to defend the borders.source
  • 383Emperor Theodosius I cedes Dacia and Macedonia to Valentinian II. They recognize Magnus Maximus as Augustus.source
  • 384An edict of Theodosius I closes pagan temples in the Nile Valley (Egypt).source
  • 385Pulcheria, daughter of Theodosius I who died in infancy (d. 386)source
  • 385Aelia Flaccilla, Roman empress and wife of Theodosius I (or possibly 386)source
  • 386Emperor Theodosius I signs a peace treaty with King Shapur III; they divide Armenia into two kingdoms (vassal states). The treaty establishes friendly relations between the Roman Empire and Persia for the next 36 years.source
  • 386Pulcheria, daughter of Theodosius I (b. 385)source
  • 387Spring – Emperor Theodosius I increases the taxes in Antioch. A peasant uprising leads to a riot, and public buildings are set afire. Theodosius sends imperial troops to quell the disturbance, and closes the public baths and theatres.source
  • 387Aelia Flaccilla, Roman Empress and wife of Theodosius Isource
  • 388Battle of the Save: Emperor Theodosius I defeats Magnus Maximus near Emona (modern Slovenia). Theodosius is in command of an army including Goths, Huns and Alans. Valentinian II, now 17, is restored as Roman Emperor.source
  • 390April – Massacre of Thessalonica: Resentment among the citizens of Thessalonica (Macedonia) breaks out into violence after the arrest of a popular charioteer. Butheric, military commander of Illyricum, is murdered. Emperor Theodosius I orders vengeance, despite the pleas for mercy by Ambrose, bishop of Milan; more than 7,000 inhabitants are massacred by the Roman army.source
  • 391Emperor Theodosius I establishes Christianity as the official state religion. All non-Christian temples in the Roman Empire are closed. The eternal fire in the Temple of Vesta at the Roman Forum is extinguished, and the Vestal Virgins are disbanded.source
  • 392Stilicho, Roman general (magister militum), defeats the Visigoths and Huns in Thrace. Emperor Theodosius I permits Alaric to go free on condition he provides, as foederati, military services to the Roman Empire.source
  • 392Galla Placidia, Roman Empress and daughter of Theodosius I (d. 450)source
  • 393January 23 – Emperor Theodosius I proclaims his son Honorius, age 8, co-ruler (Augustus) of the Western Roman Empire.source
  • 394September 6 – Battle of the Frigidus: Emperor Theodosius I defeats and kills the usurper Eugenius. The forces of Theodosius are bolstered by numerous auxiliaries, including 20,000 Visigoth federates under Alaric. The Frankish general Arbogast (magister militum) escapes into the Alps and commits suicide.source
  • 395January 17 – Emperor Theodosius I, age 48, dies of a disease involving severe edema in Milan. The Roman Empire is divided for the final time into an eastern and a western half. The Eastern Roman Empire is centered in Constantinople under Arcadius, son of Theodosius, and the Western Roman Empire in Mediolanum under his brother Honorius.source
  • 395January 17 – Theodosius I, Roman emperor (b. 347)source

5th century

  • 410Galla Placidia, daughter of Theodosius I, is captured by the Visigoths and becomes a hostage during their move from the Italian Peninsula to Gaul.source

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