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Events from the 3rd century in Roman Britain .
Roman Britain was the territory that became the Roman province of Britannia after the Roman conquest of Britain, consisting of a large part of the island of Great Britain. The occupation lasted from AD 43 to AD 410.
The 290s decade ran from January 1, 290, to December 31, 299.
Flavius Valerius Constantius, also called Constantius I, was a Roman emperor from 305 to 306. He was one of the four original members of the Tetrarchy established by Diocletian, first serving as caesar from 293 to 305 and then ruling as augustus until his death. Constantius was also father of Constantine the Great, the first Christian emperor of Rome. The nickname "Chlorus" was first popularized by Byzantine-era historians and not used during the emperor's lifetime.
Maximian, nicknamed Herculius, was Roman emperor from 286 to 305. He was Caesar from 285 to 286, then Augustus from 286 to 305. He shared the latter title with his co-emperor and superior, Diocletian, whose political brain complemented Maximian's military brawn. Maximian established his residence at Trier but spent most of his time on campaign. In late 285, he suppressed rebels in Gaul known as the Bagaudae. From 285 to 288, he fought against Germanic tribes along the Rhine frontier. Together with Diocletian, he launched a scorched earth campaign deep into Alamannic territory in 288, refortifying the frontier.
Marcus Aurelius Mausaeus Carausius was a military commander of the Roman Empire in the 3rd century. He was a Menapian from Belgic Gaul, who usurped power in 286, during the Carausian Revolt, declaring himself emperor in Britain and northern Gaul. He did this only 13 years after the Gallic Empire of the Batavian Postumus was ended in 273. He held power for seven years, fashioning the name "Emperor of the North" for himself, before being assassinated by his finance minister Allectus.
Allectus was a Roman-Britannic usurper-emperor in Britain and northern Gaul from 293 to 296.
Britannia Superior was a province of Roman Britain created after the civil war between Septimius Severus and Clodius Albinus. Although Herodian credits Severus with dividing Roman Britain into the Northern territory of Britannia Inferior and the Southern territory of Britannia Superior, modern scholarship argues that it is more likely that Caracella was the person who made the split sometime in the early 3rd century CE. The previous British capital Londinium remained the centre of Britannia Superior while Eboracum, or modern York was the capital of Britannia Inferior. Epigraphical evidence shows that Upper Britain encompassed approximately what is now Wales, southern England and East Anglia. However, the official boundary between Britannia Superior and Inferior is still unclear.
Britannia Inferior was a new province carved out of Roman Britain probably around AD 197 during the reforms of Septimius Severus although the division may have occurred later, between 211 and 220, under Caracalla. The removal of the governors in Londinium from control over the legions guarding Hadrian's Wall was aimed at reducing their power, given Clodius Albinus's recent bid to become emperor. The province was probably formalised around 214 by Severus's son Caracalla.
Britannia Secunda or Britannia II was one of the provinces of the Diocese of "the Britains" created during the Diocletian Reforms at the end of the 3rd century. It was probably created after the defeat of the usurper Allectus by Constantius Chlorus in AD 296 and was mentioned in the c. 312 Verona List of the Roman provinces. Its position and capital remain uncertain, although it probably lay further from Rome than Britannia I. At present, most scholars place Britannia II in Yorkshire and northern England. If so, its capital would have been Eboracum (York).
Maxima Caesariensis, also known as Britannia Maxima, was one of the provinces of the Diocese of "the Britains" created during the Diocletian Reforms at the end of the 3rd century. It was probably created after the defeat of the usurper Allectus by Constantius Chlorus in AD 296 and was mentioned in the c. 312 Verona List of the Roman provinces. Its position and capital remain uncertain, although it was probably adjacent to Flavia Caesariensis. On the basis of its governor's eventual consular rank, it is now usually considered to have consisted of Augusta or Londinium (London) and southeastern England.
The Silver Branch is a historical adventure novel for children written by Rosemary Sutcliff and published in 1957, with illustrations by Charles Keeping. Set in Britain in the last decade of the 3rd century, it is the story of Justin and Flavius, two cousins in the Roman legions who find themselves in the intrigue and battle surrounding the struggles between Carausius, a self-proclaimed emperor in Britain, Allectus, Carausius's treasurer, and Constantius, emperor in Rome.
The Carausian revolt (AD 286–296) was an episode in Roman history during which a Roman naval commander, Carausius, declared himself emperor over Britain and northern Gaul. His Gallic territories were retaken by the western Caesar Constantius Chlorus in 293, after which Carausius was assassinated by his subordinate Allectus. Britain was regained by Constantius and his subordinate Asclepiodotus in 296.
Portus Adurni was a Roman fort in the Roman province of Britannia situated at the north end of Portsmouth Harbour. It was part of the Saxon Shore, and is the best-preserved Roman fort north of the Alps. Around an eighth of the fort has been excavated.
The Saxon Shore was a military command of the Late Roman Empire, consisting of a series of fortifications on both sides of the Channel. It was established in the late 3rd century and was led by the "Count of the Saxon Shore". In the late 4th century, his functions were limited to Britain, while the fortifications in Gaul were established as separate commands. Several well-preserved Saxon Shore forts survive in east and south-east England.
Events from the 4th century in Roman Britain.
Events from the 2nd century in Roman Britain.
The Roman invasion of Caledonia was launched in 208 by the Roman emperor Septimius Severus. The invasion lasted until late 210, when the emperor became ill and died at Eboracum (York) on 4 February 211. The war started well for the Romans with Severus managing to quickly reach the Antonine Wall, but when Severus pushed north into the highlands he became bogged down in a guerrilla war and he was never able to fully subjugate Caledonia. He reoccupied many forts built by Agricola over 100 years earlier, following the Battle of Mons Graupius, and crippled the ability of the Caledonians to raid Roman Britain.
Cohors PrimÆ Ælia Dacorvm was an infantry regiment of the Auxilia corps of the Imperial Roman army. It was first raised by the Roman emperor Hadrian in the Roman province of Dacia not later than AD 125 and its last surviving record dates c. 400. It was deployed, for virtually its entire history, in forts on Hadrian's Wall on the northern frontier of Britannia province.
The frontier of the Roman Empire in Britain is sometimes styled Limes Britannicus by authors for the boundaries, including fortifications and defensive ramparts, that were built to protect Roman Britain. These defences existed from the 1st to the 5th centuries AD and ran through the territory of present-day England, Scotland and Wales.