Roman Britain & the Anglo-Saxon Settlement

UK History

Chapter 2 · Roman Britain & the Anglo-Saxon Settlement

The story of the isles starts in this chapter with two changes of rule: Rome's conquest and long occupation, and the arrival of the peoples later called Anglo-Saxons. The sources for both are thin, and for the second they conflict, so this chapter spends as much time on what is disputed as on what is known. It draws on two reference articles, one on Roman Britain and one on the Anglo-Saxons.

Roman Britain

Date (CE)Event
43Roman invasion led by Aulus Plautius under Emperor Claudius.
60 or 61Boudica's revolt against Roman rule.
77 to 84Governor Agricola expands the territory into Scotland.
About 122Hadrian's Wall is built as the northern frontier.
About 142The Antonine Wall is built further north, under Antoninus Pius.
About 197The province is divided into Britannia Superior and Britannia Inferior.
About 312Four provinces are established: Maxima Caesariensis, Flavia Caesariensis, Britannia Prima and Britannia Secunda.
410Roman withdrawal; a letter of Emperor Honorius is traditionally interpreted as rejecting British appeals for aid.
Approximate Dates and a Disputed End Several dates above are given as "about," and Boudica's revolt has two possible years. The source says the exact nature of the withdrawal in 410 remains debated. It also says the traditional view of a widespread economic decline is at odds with consistent archaeological evidence, without specifying what the evidence shows. I did not research the detail, so the chapter cannot describe how life changed after 410.

The Anglo-Saxons: Arrival and Its Dates

The settlement of Britain by peoples from the continent is chronologically contested. Traditional sources give conflicting dates:

  • Bede, writing about 731, places it around 450 to 455.
  • The Anglo-Saxon Chronicle records the arrival in 449.
  • The Chronica Gallica of 452 notes Saxon rule in 441.
  • Archaeological evidence suggests settlement began earlier than 450.

The Traditional Story

Bede says a "proud tyrant," later identified as Vortigern, invited Saxon foederati as mercenaries to defend against Picts and Scots, and that the British provinces were then "reduced to Saxon rule."

A Challenge to It

The historian Guy Halsall proposes Bede may have misinterpreted Gildas, and that the invitation to foederati may belong in the late 4th century under Magnus Maximus.

Traditions, Not Records

The source treats the narrative as tradition. I did not find who Gildas was or what his account says, so the chapter cannot assess Halsall's argument.

How Many Came?

Scholars debate whether settlement involved large-scale population replacement or cultural assimilation. A 2022 genetic study concluded there was "large-scale immigration of both men and women into Eastern England" from continental populations, with ancestry estimates ranging from 25 to 47 percent "northern continental" origin, though with significant regional variation. Some early Anglo-Saxon kings, such as Cerdic and Penda, bore British names, which suggests Romano-British people took part in kingdom formation.

Two Kinds of Evidence Pointing Different Ways The genetic result points toward substantial migration into eastern England, while the British-sounding royal names point toward mixing. The source does not say these conflict, and they may not: one measures ancestry in a region, the other the names of a few rulers. I did not find how the study was done or how large its samples were, so I do not weigh it further.
What I Did Not Verify I did not find the Heptarchy, the mission of Augustine in 597, or the Battle of Mons Badonicus, all in the outline for this chapter. I also did not find how the Roman provinces' end and the first English kingdoms connect in time, so the chapter cannot say what happened between about 410 and the first kingdoms. The next chapter picks up the Viking Age from a source that may fill some of this.

What Continues Across the Break

The source's mention of British-named kings and of archaeological evidence that conflicts with a story of sudden decline suggests the change from Roman to Anglo-Saxon Britain was less abrupt than the tradition implies. That inference is mine, and the sources do not state it in those words. The point for the course is that "Roman Britain ended in 410 and the Anglo-Saxons replaced it" is a simplification the evidence does not support neatly.

Hands-On Exercises

Exercise 1

List the Roman dates in the chapter, marking which are approximate, and say what the chapter can and cannot claim about 410.

Exercise 2

A student writes "The Anglo-Saxons arrived in 449." Use the chapter's sources to qualify it.

Exercise 3

Explain why the genetic study and the British-named kings do not necessarily contradict each other, and what you would need to know to compare them.

Quick Reference

  • 43: Roman invasion under Claudius (Aulus Plautius); 60 or 61: Boudica's revolt
  • About 122: Hadrian's Wall; about 142: Antonine Wall
  • 410: withdrawal, traditionally tied to Honorius's letter; exact nature debated
  • Anglo-Saxon arrival: 449 (Chronicle), about 450 to 455 (Bede), 441 (Chronica Gallica), possibly earlier (archaeology)
  • Migration: 2022 study, 25 to 47 percent northern continental ancestry in eastern England, with regional variation
  • Not covered: the Heptarchy, Augustine's mission, the years after 410