Battle of the Teutoburg Forest
Arminius’s coalition destroys Varus’s three-legion army
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Original prompt & settings (JSON) ↗Arminius was not a stranger outside the Roman camp: Cassius Dio says he regularly shared Varus’s table while organizing the conspiracy against him.
A march into country Varus believed friendly
The year 4 attached to this entry is wrong by five years. In 9 CE, Arminius and Segimer — Germanic leaders who regularly accompanied and dined with the Roman commander Publius Quinctilius Varus — organized a revolt and used a contrived uprising to draw his army away from the Rhine, through territory he took to be secure.
According to Cassius Dio’s later narrative, Varus’s column included wagons, pack animals, servants, women and children. Wind, rain, slippery ground and the intermingled baggage kept the Romans from readily forming for battle once the attacks began.
No surviving ancient source supplies a calendar day. September 9–11 is a modern traditional reconstruction, not a securely attested date; only the year 9 CE and an autumn or likely September setting are reasonably supported.
Three legions, three eagles
The Germanic forces attacked the column repeatedly — over three to four days, in Dio’s account. Varus died by suicide, and Legions XVII, XVIII and XIX were destroyed along with associated cavalry and auxiliary cohorts; Velleius Paterculus reports three cavalry divisions and six cohorts lost as well.
One legionary eagle from each destroyed legion was captured. Years later, survivors showed Germanicus’s army where the eagles had been taken and where Varus had given himself the fatal wound.
One fortress that did not fall
Germanic forces took the Roman strongholds east of the Rhine except one, conventionally identified as Aliso, where the camp prefect Lucius Caedicius led the resistance and the eventual breakout. Its holding out delayed them and helped prevent an immediate crossing of the Rhine into Gaul.
Lucius Nonius Asprenas moved Legions I and V from Mainz to secure Cologne and Xanten. Archaeology demonstrates a major Roman defeat at Kalkriese, though the site museum describes it cautiously as one of the locations of the wider Varus battle rather than treating the whole multiday engagement as securely localized there.
Rome initially withdrew its army behind the Rhine, although major counter-campaigns followed.
Sources
Researched 23 Aug 2026 6 sources 2 audit passes Date disputed
How this was checked
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Date disputed. Sources disagree; the research places it at ~0009-09.
What the sources leave uncertain
- No surviving ancient source supplies an exact calendar day. September 9–11 is a modern traditional reconstruction, not a securely attested date; only the year 9 CE and an autumn or likely September setting are reasonably supported.
- The provided date-as-listed, 0004, is wrong by five years.
- Kalkriese is strongly supported archaeologically as a site of the Varus disaster, but scholars and the site museum do not claim that every phase of the multiday engagement occurred there.
- Cassius Dio wrote roughly two centuries later, and some features of his terrain and weather narrative may be conventional literary battle description.