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A king’s walls fall each night, a boy sees dragons, and Britain’s past takes shape between history and legend.
History of the Britons is a short Latin chronicle from early medieval Wales, traditionally credited to Nennius. It tells of the Britons, the Welsh-speaking people who once held the whole island. Trojan founders, Roman emperors and saints share its pages. Its accounts of Britain’s beginnings sit between history and legend, and historians treat much of it with care.
At its heart stands Vortigern, a ruler the chronicle portrays as weak and guilty. He invites the Saxons into Britain and struggles to build a fortress whose walls keep falling. Elsewhere, Arthur appears as a war leader, not a king. Lists of English kings and a catalogue of Britain’s wonders widen this restless account of origins, conflict and memory.
What you’ll discover
- A past worth preserving Discover the story of the Britons, whose memory lies at the heart of this chronicle.
- Britain’s legendary beginnings Follow accounts of settlement, including Brutus, a descendant of the Trojan hero Aeneas.
- Walls that will not stand Enter Vortigern’s troubled world, where a failing fortress leads to a boy and two dragons.
- Arthur before the crown Encounter Arthur’s earliest surviving description as a war leader, rather than a king.
- Kings and curious wonders Explore royal lines, northern wars and Britain’s wonders, while keeping history and legend in view.
Who will love it
This book suits readers who love legends of early Britain, early tales of Arthur, saints and battles, old genealogies, and the puzzle of how a people remembers its past.
What’s inside
The key ideas, in the 15-minute summary
- Nennius writes to keep memory alive
- The land gives loss a shape
- Different family trees explain shared beginnings
- Britain loses the soldiers it needs
- Welcomed allies gain power over Britain
- Hope comes from outside royal power
- Lists preserve a past with gaps
- Vivid images carry a people's hopes
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History of the Britons (Historia Brittonum)
by Nennius · 829
A fatherless boy shows King Vortigern two fighting dragons, and Arthur wins twelve battles against the Saxons.
Medium levelUnder 2 hours to read20 languages
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In short
What would you do if your tower vanished every night? King Vortigern gathers stone, timber and workers three times, and three times the materials are gone by morning.
History of the Britons (Historia Brittonum) at a glance
- Reading time
- About 50 min40 min fast, 1 h slow
- Length
- 12,400 words
- Library level
- Medium longer sentences, everyday words
- First published
- about AD 829by Nennius
Reading time at 238 words a minute (fast 300, slow 200). How long the classics take to read · Updated
From the 15-minute summary · Key idea 1
A humble writer saves what he can
The book opens with Nennius speaking in his own voice. He calls himself a humble servant of God. He says he is dull of mind and unskilled in speech, and that he has dared to write in Latin anyway. This modesty is a polite habit of the age, but it also shows how he sees his task.
He lists his sources. There are the traditions of his ancestors, the writings and monuments of ancient Britain, and the Roman annals. He names church writers such as Jerome and Eusebius. He even uses the histories of the Scots and Saxons, though he calls them enemies.
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Details
- First published
- 829
- Language
- English
- Reading time
- 55 min
- Level
- Medium level
Cite this edition
Nennius. History of the Britons (Historia Brittonum). Library of Alexandria, 2026, libraryofalexandria.com/products/history-of-the-britons-historia-brittonum.
Nennius. (2026). History of the Britons (Historia Brittonum). Library of Alexandria. https://libraryofalexandria.com/products/history-of-the-britons-historia-brittonum (Original work published ca. 829)
Nennius. History of the Britons (Historia Brittonum). Library of Alexandria, 2026. https://libraryofalexandria.com/products/history-of-the-britons-historia-brittonum.
@book{nennius2026history,
author = {Nennius},
title = {History of the Britons (Historia Brittonum)},
publisher = {Library of Alexandria},
year = {2026},
url = {https://libraryofalexandria.com/products/history-of-the-britons-historia-brittonum},
note = {First published ca. 829}
}
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What is History of the Britons about?
It is a chronicle of early Britain. It covers the legendary settlement by Brutus, the Roman visits, King Vortigern and the Saxon arrival, the prophecy of the dragons, Arthur's battles, Saint Patrick, and the genealogies of early kings.
Who was Nennius?
Nennius is the Welsh churchman named as the compiler. He calls himself a pupil of Elbotus and a historian of the Britons. He says he gathered the material from earlier writers and from the traditions of his own people.
Does History of the Britons mention King Arthur?
Yes, it names Arthur as a commander who leads the kings of Britain against the Saxons. It lists twelve battles, from the mouth of the river Gleni to Mount Badon, and it says he wins them all.
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