3rd century in Roman Britain

Events

• * Governor Lucius Alfenus Senecio repairs Hadrian's Wall and appeals for help from the Emperor against the northern tribes.208
• * Emperor Septimius Severus and his son Caracalla take personal command of the army in Britain.209
• * Severus and Caracalla lead an expedition against the Caledonii, and build forts at Cramond and the Tay estuary.210
• * Caracalla leads an expedition against the rebellious Maeatae tribe.211
• * 4 February – Severus dies at York, while preparing another expedition against the northern rebels.
• * Caracalla, now Emperor, abandons territory north of Hadrian's Wall, and returns to Rome.
• c. 214
• * Britain divided into two provinces, Britannia Superior and Britannia Inferior, with administrative centres at London and York respectively.
• c. 220
• * Saxons raid south-east coast; forts built at Reculver and Branodunum.245
• * Many thousands of acres of modern-day Lincolnshire are inundated by a great flood.255
• * Work begins on a riverside wall in London.259
• * Rebel leader Latinus Postumus proclaims Britain as part of his "Empire of the Gauls".270
• * Construction of forts along the Saxon Shore begins in response to increased raiding.273
• * Stone walls built around St Albans.274
• * Postumus's Gallic Empire is reabsorbed into the Roman Empire under Aurelian.277
• * Imperial edict lifts restrictions on British wine production.
• * General Victorinus puts down revolt, and settles Burgundian and Vandal prisoners in Britain.
• Britannic Empire 286-296
• *287
• ** Mausaeus Carausius takes power in Britain and proclaims himself Emperor.
• * 289
• ** Carausius defeats Emperor Maximian in a naval battle.
• * 293
• ** Finance minister Allectus murders Carausius and seizes power; employs Frankish mercenaries.
• * 296
• ** Constantius Chlorus and Julius Asclepiodotus defeat the Britons near Silchester, killing Allectus; prevents retreating Franks from sacking London.297
• * Re-building of forts near Hadrian's Wall begins.
• * Constantius returns to Gaul.