Historical Timeline (360 CE - 537 CE)

This is the timeline presented in Classic: Camelot with crosslinks and revisions from wikipedia. It runs from 360 CE to 537 CE.
==4th century==
*360: Picts and Scots cross Hadrian's wall and attack Britain.Huns invade Europe.
*367: A revival of the original Celtic religious beliefs begins, and continues for some decades.
*370: Theodosius drives Picts and Scots out of Britain.
*383: Roman legions begin to evacuate Britain.
*387: Establishment of military colony in Armorica by "Emperor" Maximus of Britain (memorialized as Prince Macsen of Welsh and Cornish folklore). Maximus presses his forces forward and briefly captures Rome.
*388]: Maximus killed in combat with Theodosius, Emperor of the East. Roman control over Britain is re-established, but never regains the strength it had before Maximus' rise to power.
*392: Theodosius the Great becomes the last Emperor of a united Roman empire.
*395: Theodosius dies; Roman empire split into Eastern Empire (ruled from Constantinople) and Western Empire (ruled from Rome).
*399: Pope Siricius dies and is succeeded by Pope Anastasius I.Roman general Stilicho arrives in Britain with troops to help repulse an Irish invasion led by the high king of Ireland, Niall-of-the-Nine-Hostages. As part of his strategy, Stilicho establishes a defensive system organized under local chieftains, under whom Celtic tribalism begins to revive.
==400s==
*ca. 400: British Christians and European missionaries begin conversion work in the British Isles, to last through the middle of the century. Possible settlement of monks in the Glastonbury area.
*401: Pope Anastasius I dies and is replaced by Innocent I
*402: Stilicho withdraws legions from Britain
*405: British sea victory results in death of Niall and the immediate reduction of the Irish threat.
*406: Autumn – The remaining Roman legions in Britain decide to mutiny. The usurper Marcus is proclaimed emperor.
*407: Teutonic campaign in Gaul cuts Britain off from Roman control. Constantine III proclaimed emperor by the remnants of the army in Britain.
==410s==
*410: Roman rule in Great Britain effectively ends due to Emperor Honorius' Rescript (diplomatic letters) to the Romano-British magistrates requiring them to provide for their own defense. 
*415: Birth of Ambrosius Aurelianus?
*417: Pope Innocent I dies and is replaced by Zosimus
*418: Possible return of Roman forces in a token re-occupation. Pope Zosimus is succeeded by Boniface I.
== 420s ==
* 420: Saxons raid Britain as Roman forces finish withdrawing from the isles.
* 421: Introduction of the Pelagian heresy to Britain by Agricola.
* 422: Boniface I dies and is followed by Pope Celestine I.
* 425: End of Roman rule in Britain. King Vortigern invites a number of Germanic warriors to aid him in consolidating his position in Britain, according to the Historia Brittonum. He hires Saxons who are probably settled in Kent as mercenaries to fight against the Picts and the Scots beyond Hadrian's Wall.
*429: A Gaulish assembly of bishops dispatch Germanus of Auxerre and Lupus of Troyes to Britain to visit the island. To satisfy pope Celestine I they combat the Pelagian heresy. Birth of Artorius Riothamus?
== 430s ==
* 432: Saint Patrick, Roman Britain-born missionary, is consecrated a bishop and converts the Irish to Christianity until his death around 460
* 433: Sixtus III becomes the pontiff after the death of Celestine I.
== 440s ==
* 440: Ancient town of Ys in Brittany submerged in great flood
* 446: Remaining Romanized rulers of Britain send an appeal for help to the Roman general ABius (Aegidus).
* 447: With no reply from Aetius, the Roman faction is discredited. Vortigern becomes predominant in British politics. Second visit of St. Germanus to British Isles.
== 450s ==
* 450: Vortigern granted land in Britain to the Saxons, first to Thanet in exchange for service as foederati troops, then to the rest of Kent in exchange for marriage to Hengest's daughter, then to Essex and Sussex after a banquet where the Saxons treacherously slew all of the leaders of the British but saved Vortigern to extract this ransom.
* 453: Attila the Hun dies
* 454: Vortigern is unable to maintain payments to his foreign mercenaries, and fighting breaks out between British and Saxon forces. Artorius Riothamus marries the daughter of Vortigern and becomes new High King of Britain.
* 455: Angles join forces with the Picts. Battle of Aylesford. Riothamus begins the refortification of Cadbury. Vandals sack Rome.
* 457: According to the Anglo-Saxon Chronicle, 4,000 Britons are slain at Crecganford in battle against Hengist and his son Oisc of Kent. British society and economy collapses as Anglo-Saxon revolt turns into a large scale looting of the British lowlands. British refugees flee to Armorica to establish "Little Britain" (Brittany)
*459: Vortigern, king of the Britons (approximate date)
== 460 ==
* 461: Aegidius becomes ruler over the Domain of Soissons (Gaul). He has friendly relations with the Romano-British (in Brittany).
* ca 463: Creation of British cavalry forces, to be used against the Saxons
* ca 466: Riothamus and Ambrosius begin building a navy
* 468: Roman emperor Anthemius seeks an alliance with Riothamus
== 470s ==
* 470: Huns withdraw from Europe.A seaborne British army led by Riothamus joins the Armorican settlers to fight on the side of Emperor Anthemius, who attempted to re-establish Roman control over Gaul.Ambrosius begins a counteroffensive against the Anglo-Saxons in Britain.Medraut, Riothamus' deputy, intrigues with Euric, king of the Visigoths, against his commander.The Visigoths attack Riothamus' forces before the Romans can join with the Britons. Overwhelming them with superior numbers, the Visigoths rout Riothamus' army.Riothamus and his men flee towards the French city of Avallon in Burgundy and disappear.Revitalization of the British Church.
* 476: End of the western Roman empire as the German chieftain Odoacer overthrows the last Roman emperor, Romulus Augustulus
== 480-90 ==
* 480-90: Ambrosius' offensive shows success as Britain regains some measure of prosperity and peace.
== 500s ==
* 500: British defeat Saxons at Mt. Badon, a possible victory of "Arthur's Men" according to Ashe.
*537: Battle of CamPann, traditional death of "King Arthur," probably inspired by final defeat of "Arthur's Men".
Category:Timelines