The Siege of Augustodunum Haeduorum took place in 269-270, Augustodunum (modern-day Autun in Burgundy, eastern France).

Victorinus Marcus Piavonius VictorinusSome of the inscriptions record his name as M. Piavvonius Victorinus, as does the first release of coins from the Colonia mint. A mosaic from Augusta Treverorum (Trier) lists him as Piaonius. was emperor in the Gallic ...

had been declared emperor by the troops located at

Augusta Treverorum Trier in Rhineland-Palatinate, whose history dates to the Roman Empire, is often claimed to be the oldest city in Germany. Traditionally it was known in English by its French name of Treves. Prehistory The first traces of human settlement in ...

in the fall of 269. However, only the provinces of Gaul, Germania and Britain recognised him. Hispania deserted the Gallic Empire and declared its loyalty to

Claudius Gothicus Marcus Aurelius Claudius "Gothicus" (10 May 214 – January/April 270), also known as Claudius II, was Roman emperor from 268 to 270. During his reign he fought successfully against the Alemanni and decisively defeated the Goths at the Battle ...

. Claudius sent his general

Placidianus Julius Placidianus ( 269–273) was a Roman general of the 3rd century. He was a professional soldier who advanced his career under Gallienus and survived into the age of Claudius II and Aurelian. Placidianus was consul in the year 273 as the poste ...

to Gaul to take on Victorinus. Placidianus captured Cularo. This inspired the city of Augustodunum Haeduorum to abandon Victorinus and declare its intention to declare for Claudius Gothicus. This forced Victorinus to march south and besiege it. Claudius did not send troops to the city, which fell after seven months. Victorinus’ troops plundered and destroyed the city. However Victorinus would be murdered shortly afterwards.

References

Crisis of the Third Century Augustodunum Haeduorum Augustodunum Haeduorum {{France-hist-stub