The Last Century of Roman Britain

312-314 Constantine possibly campaigning in Britain

342-3 Visit to Britain by Constans 350-3 Revolt by Magnentius with British support

354 Purge and reprisals by Paul 'the Chain'.

360 Raids by Picts, Scots, Attacotti and Saxons

367 'Barbarian Conspiracy' of Picts, Irish, Attacotti and Saxons; large parts of Britain overrun and plundered

368-9 Campaigns of recovery by Count Theodosius

369 Reconstruction of British defences initiated

383 Revolt of Magnus Maximus; troops withdrawn from Britain for invasion of continent

388 Defeat and death of Magnus Maximus

395-9 War in Britain 401 Troop withdrawals from Britain for defence of Italy

406-7 Revolt in Britain: elevation of Marcus, Gratian and then Constantine

407 Constantine withdraws troops from Britain for invasion of continent

408-409 Saxon attacks on Britain; overthrow of Roman administration by British rebels

410 Honorius indicates Britons should organise their own defences.