Roman Conquest of Britain (43–84 CE)

Event Summary:
Rome’s conquest of Britain unfolded in waves. It began under Emperor Claudius and pushed Roman control northward until halted by fierce resistance and geography.

Initial Roman Contact (55–54 BCE):
Julius Caesar (age 44) led two expeditions across the Channel. Though he defeated some tribes, he withdrew. No permanent occupation followed.

Claudius Invades (43 CE):
Emperor Claudius (age 52) launched a full-scale invasion. Four legions, led by Aulus Plautius, landed in Kent and advanced inland.

Battle of the Thames:
The Romans defeated the Catuvellauni under Caratacus. Claudius himself arrived to receive the surrender of several tribes, ensuring political legitimacy in Rome.

Roman Expansion South and West:
The Romans built roads and forts across southern Britain. They subdued the Durotriges and advanced into Wales to confront the Silures and Ordovices.

Caratacus Resists in Wales:
Caratacus (age 40s) led guerrilla warfare for nearly a decade. After capture in 51 CE, he impressed the Senate with his dignity during trial.

Boudica’s Revolt (60–61 CE):
Boudica (age ~30s), queen of the Iceni, led a devastating revolt. Her forces destroyed Camulodunum, Londinium, and Verulamium. Governor Suetonius Paulinus defeated her at Watling Street.

Northward Push Under Agricola (77–84 CE):
Gnaeus Julius Agricola (age 45), governor of Britain, expanded Roman control into modern Scotland. He won a major victory at the Battle of Mons Graupius (84 CE).

Limits of Conquest:
Despite victory, Rome could not hold Caledonia. The Romans withdrew to more defensible lines, eventually fortifying Hadrian’s Wall in the 120s.

Romanization and Urban Growth:
Roman towns, baths, villas, and roads reshaped southern Britain. Latin became the language of administration. Trade with the wider empire flourished.

Why It Matters:
The Roman conquest of Britain connected the island to continental systems of law, commerce, and governance. Yet full control remained elusive. The conquest reveals both Roman military power and the challenges of imposing rule on distant, divided lands.