Theodosius I the Great

Names:

• 11 January 347: Flavius Theodosius 
• 19 January 379: Flavius Theodosius Augustus
• 17 January 395: natural death

Relatives:

1. father: Theodosius
2. married to: Aelia Flavia Flacilla, Galla
3. children:
1. from Flacilla: Arcadius, Honorius, Pulcheria
2. from Galla: Gratianus, Galla Placidia (married to the Visigothic leader Athaulf, and later to Constantius; mother of Valentinian III), Ioannes

• 378 Battle of Adrianopel; Valens defeated and killed by Visigoths; Theodosius proclaimed emperor
• 379 Defeats Visigoths, Alans, and Huns; in the Sasanian Empire, Shapur II is succeeded by Ardašir III
• 380 Consul (with Gratianus); Nicene creed declared orthodox; all other Christian opinions forbidden; campaign against the Visigoths; meeting with Gratianus; illness
• 381 The Visigothic leader Athanaric visits and dies in Constantinople; the Second Ecumenical Council, at Constantinople (Church of Divine Peace) confirms the Nicene Creed; edict against the Manicheans; Theodosius defeats the Carpi
• 382 Second edict against the Manicheans; treaty with the Visigoths; they are settled between the Danube and the Balkan range; the altar of Victoria removed from the Curia Julia; first senatorial deputation, to Gratianus
• 383 Quinquennalia; Arcadius proclaimed co-ruler; in the west revolt of Magnus Maximus; Gratianus captured by Andragathius, an officer of Magnus; executed; in the Sasanian Empire, Ardašir III is succeeded by Shapur III
• 384 Expulsion of heretics from Constantinople; Magnus Maximus recognized; Persian embassy in Constantinople; Theodosius meets Valentinian II in Italy; second senatorial deputation about the altar of Victoria in the Curia, to Valentinian II
• 385 Theodosius' niece Serena marries Stilicho; pagan sacrifice and prophecy forbidden
• 386 Death of Aelia Flavia Flacilla; the Visigoths defeated and settled in Phrygia; triumph
• 387 Quinquennalia of Arcadius; revolt in Antioch; peace with Persia; Armenia divided; Magnus Maximus invades Italy; Valentinian flees to Theodosius in Thessalonica; Theodosius marries Galla (daughter of Valentinian I)
• 388 Consul II (with Maternus Cynegius); Decennalia; prohibition of marriage between Jews and Christians; Magnus Maximus defeated and executed; third senatorial deputation about the altar of Victoria in the Curia, to Theodosius; in the Sasanian Empire, Shapur III is succeeded by Bahram IV
• 388/389: Winter in Milan (with Valentinian II)
• 389, 13 June: Theodosius, Valentinian II, and the four-year-old Honorius visit Rome
• 390 Massacre at Thessalonica; Theodosius excommunicated by Ambrose; penance of Theodosius; Ambrose readmits Theodosius to the church
• 391 Edict against Paganism; destruction of the Serapeum in Alexandria; war against pillagers in Macedonia
• 392 Fourth senatorial deputation about the altar of Victoria in the Curia, to Valentinian II; Arbogast murders Valentinian II and supports the usurper Eugenius; prohibition of paganism
• 393 Consul III (with Flavius Abundantius); Honorius made co-ruler
• 394 Death of Galla
• 394, 5 September: Eugenius defeated at the Frigidus; suicide of Arbogast; for the last time, the Roman empire is ruled by one man
• 395 Honorius settles in Milan; death of Theodosius in Milan (Ambrose, "De obitu Theodosii")

Contemporary events:

• 379 Council of Antioch
• 379 Death of Basilius
• 380 Gregory Nazianzus orders burning of all known copies of Sappho's poetry
• 381 Second Ecumenical Council, at Constantinople
• 386 Monastery of Soumela founded
• 388 Jerome settles in Palestine
• 389 All pagan monuments in Alexandria, including the Museum, destroyed
• 389/390 Death of Gregory Nazianzus
• 390 Hieronymus publishes his translation of the New Testament
• 391 Head of John the Baptist brought to Constantinople; destruction of the Serapeum in Alexandria
• 393 or 394 End of the Olympic Games
• 394 Death of Gregorius of Nyssa
• 395 Death of Ausonius