Menu
Historical Period

Trace the British Isles from Stonehenge and the Celtic tribes to the end of Roman rule.

Use the timeline below to navigate through major events and milestones.

Prehistoric & Roman Britain · 9000 BC-410 AD
Britannia

Prehistoric & Roman Britain

From the Mesolithic hunters of post-glacial Britain and the megaliths of Salisbury Plain through the Celtic hillforts of the Iron Age to the Claudian conquest, Hadrian's Wall, and the rescript of Honorius that ended Roman rule. Slide across the millennia to read the major events that shaped the island before the English.

9000 BC
Mesolithic Britain
1 / 16
In the year of Our Lord

9000 BC

Mesolithic Britain
  • Cultural

    Hunter-gatherers return to a thawing island

    As the last glaciers retreat, Mesolithic bands recolonise Britain across the land-bridge of Doggerland, hunting red deer and aurochs through birch and pine forests.

16 milestones
Full Chronicle

Prehistoric & Roman Britain

From the Mesolithic hunters of post-glacial Britain and the megaliths of Salisbury Plain through the Celtic hillforts of the Iron Age to the Claudian conquest, Hadrian's Wall, and the rescript of Honorius that ended Roman rule. Slide across the millennia to read the major events that shaped the island before the English.

  1. Mesolithic Britain
    • Hunter-gatherers return to a thawing island

      As the last glaciers retreat, Mesolithic bands recolonise Britain across the land-bridge of Doggerland, hunting red deer and aurochs through birch and pine forests.

  2. Neolithic Revolution
    • Farming reaches Britain

      Continental farmers cross the new Channel bringing wheat, barley, cattle, and sheep. Within a few generations the woodland is cleared, long barrows are raised, and the first causewayed enclosures appear.

  3. Late Neolithic
    • First stones at Stonehenge

      On Salisbury Plain the first earthwork and timber phase of Stonehenge is laid out — a circular ditch and bank enclosing cremation burials, aligned to the solstices.

  4. Beaker Britain
    • Arrival of the Beaker people

      A new population from the Lower Rhine arrives with copper metallurgy, distinctive bell-shaped pottery, and a warrior burial rite. Genetic studies show they replaced as much as 90 per cent of the Neolithic gene pool within a few centuries.

  5. Iron Age
    • Hillforts and the Celtic Iron Age

      Iron-working spreads from the continent and the British landscape fills with hillforts — Maiden Castle, Danebury, Old Oswestry — defended hilltop centres ruled by chieftains of the tribes Caesar would later name.

  6. Caesar in Britain
    • Caesar's first expedition

      In late summer Julius Caesar crosses the Channel with two legions, the first Roman commander to set foot on the island. The reconnaissance ends in storm damage and an inglorious withdrawal.

  7. Claudian Conquest
    • Claudius invades Britain

      Four legions under Aulus Plautius land in Kent at the order of the emperor Claudius. After defeating Caratacus and the Catuvellauni on the Medway, the army takes Camulodunum (Colchester); Claudius himself arrives with elephants for the triumph.

  8. Boudiccan Revolt
    • Boudicca's rebellion

      Provoked by the seizure of Iceni lands and the flogging of their queen Boudicca, the eastern tribes rise in revolt. Camulodunum, Londinium, and Verulamium are burned and tens of thousands of Romans and Britons killed before Suetonius Paulinus crushes the rebels in the Midlands.

  9. Agricolan Frontier
    • Battle of Mons Graupius

      Gnaeus Julius Agricola defeats the Caledonian confederacy under Calgacus somewhere in the Scottish highlands. Tacitus, Agricola's son-in-law, gives Calgacus the famous lament 'they make a desert and call it peace'.

  10. Hadrianic Frontier
    • Hadrian's Wall is begun

      On a visit to Britain the emperor Hadrian orders the construction of a stone and turf wall from the Tyne to the Solway, 117 km long, marking the northern limit of the empire and dividing 'the Romans from the barbarians'.

  11. Severan Britain
    • Septimius Severus campaigns in Caledonia

      The African-born emperor Septimius Severus arrives in York with his sons Caracalla and Geta and an army of 50,000 to crush the Maeatae and Caledonii. Three brutal years of campaigning in modern Scotland end inconclusively when Severus dies at York in 211.

  12. Carausian Empire
    • Carausius declares himself emperor in Britain

      The naval commander Carausius, accused of keeping booty from Saxon pirates, revolts and proclaims a separate empire in Britain and northern Gaul. For ten years he rules from London, minting fine silver and proclaiming Restitutor Britanniae.

  13. Constantinian Britain
    • Constantine acclaimed emperor at York

      When Constantius Chlorus dies at York while campaigning against the Picts, the legions there acclaim his son Constantine emperor — the beginning of a reign that will found Constantinople and Christianise the empire.

  14. Great Conspiracy
    • The Great Conspiracy

      Picts from the north, Scotti from Ireland, and Saxons from the sea attack the British provinces in coordination. The frontier collapses, Hadrian's Wall is overrun, and discipline disintegrates until Theodosius the Elder restores order in 369.

  15. Usurpations
    • Magnus Maximus leaves Britain

      The British army proclaims its commander Magnus Maximus emperor and follows him across the Channel to seize Gaul and Spain. Welsh tradition will remember him as Macsen Wledig, founding father of the post-Roman royal lines.

  16. End of Roman Britain
    • The rescript of Honorius

      Pressed by Saxon raids and abandoned by Constantine III's expedition, the cities of Britain appeal to the emperor Honorius. He replies, according to Zosimus, that they must 'look to their own defences'. Roman Britain has ended.