The world in 21 AD — what happened that year

5 events the sources record for this year, grouped by region.

What happened

In debt-ridden Gaul, Florus of the Treveri and Sacrovir of the Aedui stir up a revolt (Tacitus, Annals and Histories Ann. 3.40)
The Andecavi and the Turoni rise first; the Andecavi are suppressed by an officer (Tacitus, Annals and Histories Ann. 3.41)
Florus plans to massacre Roman traders with Treveran cavalry (Tacitus, Annals and Histories Ann. 3.42)
Sacrovir seizes Augustodunum, the city of the Aedui (Tacitus, Annals and Histories Ann. 3.43)
When the legions march in battle order, the inexperienced civilian rebels are crushed (Tacitus, Annals and Histories Ann. 3.46)