Fullofaudes was a ''

Dux Britanniarum ''Dux Britanniarum'' was a military post in Roman Britain, probably created by Emperor Diocletian or Constantine I during the late third or early fourth century. The ''Dux'' (literally, "(military) leader" was a senior officer in the late Roma ...

'', a military leader in

Roman Britain Roman Britain was the period in classical antiquity when large parts of the island of Great Britain were under occupation by the Roman Empire. The occupation lasted from AD 43 to AD 410. During that time, the territory conquered wa ...

in the later fourth century.{{cite web , last1=Lewis , first1=Brenda , last2=Ford , first2=David , title=Britannia: Narrative History of Roman York , url=http://www.britannia.com/history/york/yorkhist1.html , website=www.britannia.com , accessdate=31 October 2018 He was either killed or besieged by the barbarian invaders during the

Great Conspiracy The Great Conspiracy was a year-long state of war and disorder that occurred near the end of Roman Britain. The historian Ammianus Marcellinus described it as a ''barbarica conspiratio'', which capitalised on a depleted military force in the p ...

and replaced by Dulcitius when

Count Theodosius Flavius Theodosius (died 376), also known as Count Theodosius ( la, Theodosius comes) or Theodosius the Elder ( la, Theodosius Major), was a senior military officer serving Valentinian I () and the western Roman empire during Late Antiquity. Unde ...

came to Britain in 369 to restore order. He was probably defeated in the north of Britain; the outpost forts north of Hadrian's Wall were abandoned at this time. It may be that his own troops rebelled under him and switched allegiance to the enemy,

Ammianus Ammianus Marcellinus (occasionally anglicised as Ammian) (born , died 400) was a Roman soldier and historian who wrote the penultimate major historical account surviving from antiquity (preceding Procopius). His work, known as the ''Res Gest ...

' description is unclear.

References

Ancient Romans in Britain Ancient Roman generals 4th-century Romans