Theodosius II

• 10 April 401: Theodosius 
• 10 January 402: Theodosius Augustus 
• 28 July 450: natural death

Relatives:

• father: Arcadius
• mother: Aelia Eudoxia I
• married to: Aelia Eudocia II (= Athenais)
• children: Eudoxia III, Flacilla

• 403 Consul (with Flavius Rumoridus)
• c.406 Libyan tribes invade the Cyrenaica
• 407 Consul II (with Honorius VII)
• 408 Succeeds his father; his reign will be largely contemporary with that of his uncle Honorius and his cousin Valentinian III in the west; in the east, government is in hands of Anthemius, praetorian prefect; the emperor begins building a new city wall
• 409 Consul III (with Honorius VIII)
• 410 Rome is sacked by the Visigoths; Jews expelled from the army of the eastern empire
• 411 Consul IV (alone); Anysius liberates the Cyrenaica
• 412 Consul V (with Honorius IX); Constantinople gets new walls
• 414 Constantinople's city wall finished; Anthemius replaced as main adviser by Pulcheria, sister of Theodosius
• 415 Consul VI (with Honorius X); the Hagia Sophia opened for prayer
• 416 Consul VII (with Flavius Junius Quartus Palladius)
• 418 Consul VIII (with Honorius XII)
• 420 Consul IX (with "Constantius III" consul III); in the Sasanian Empire, Yazdgard I is succeeded by Bahram V
• 421, 7 June: Theodosius marries Athenais Eudocia II; in the west, Honorius makes Constantius (husband of Galla Placidia) his co-ruler ("Constantius III"), but Theodosius II refuses to recognize him; Constantius dies after six months
• 422 Consul X (with Honorius XIII); birth of Eudoxia III; inconclusive war with the Sasanian empire
• 423 Galla Placidia and her young son Valentinian III arrive in Constantinople; Eudoxia and Valentinian engaged; death of Honorius; usurpation of Johannes; Theodosius immediately recognizes Valentinian as emperor in the west
• 425 Consul XI (with Valentinian); Johannes succeeded by Valentinian; laws to reorganize education
• 426 Consul XII (with Valentinian III consul II)
• 427 Nestorius appointed bishop of Constantinople
• 428 Agreement with Sasanian Persia about the division of Armenia
• 429 Vandals invade Africa; Theodosius orders a codification of Roman law
• 430 Consul XIII (with Valentinian III consul III) 
• 431 Third Ecumenical Council, at Ephesus; Nestorianism condemned
• 432 General Aspar unsuccessfully tries to push back the Vandals
• 433 Consul XIV (with Petronius Maximus); the Huns settle in Pannonia (Vindobona)
• 435 Consul XV (with Valentinian III consul IV); Nestorius sent into exile
• 437 Eudoxia and Valentinian marry
• 438 Consul XVI (with Anicius Acilius Glabrio Faustus); Codex Theodosianus completed (15 February); Athenais Eudocia retires to Jerusalem; in the Sasanian Empire, Bahram V is succeeded by Yazdgard II
• 439 Consul XVII (with Flavius Rufius Postumius Festus); Vandals capture Carthage
• 440 The Huns start to raid the Balkans
• 442 Theodosius agrees to pay off the Sasanian Empire
• 444 Consul XVIII (with Flavius Caecina Decius Aginatius Albinus)
• 446 Theodosius pays off Attila, who turns to the west
• 448 Eutyches the Archimandrite condemned (monophysitism); he appeals to pope Leo I
• 450 Theodosius falls from his horse and dies; his sister Pulcheria makes Marcianus emperor

• St. Stephen;
• Cistern of Aetius;
• Theodosian walls of Constantinople;
• Second Hagia Sophia.

Contemporary events:

• 412 Synesius of Cyrene' Catastasis
• 414 Jews expelled from Alexandria; Hypatia lynched
• 420 Death of Hieronymus
• 425 Death of Gamaliel VI, last patriarch
• 434 Attila and Bleda gain control of the tribes of the Huns
• 438 Relics of John Chrysostom brought to Constantinople
• 444 Death of Cyrillus of Alexandria; Diocorus becomes patriarch of Alexandria; beginning of the monophysite discussion
• 445 Attila murders his brother Bleda
• 448 The tragic incident of Moses of Crete