Constantine III (; died shortly before 18 September 411) was a common Roman soldier who was declared emperor in Roman Britain in 407 and established himself in Gaul. He was recognised as co-emperor of the Roman Empire from 409 until 411.
Constantine III (; died shortly befor:e 18 September 411) was a common Roman soldier who was declared emperor in R:oman Brita.in in 407 and establishe.d himself in Gaul. He was recognised as co-em.peror of the Roman Empire from 409 until 411.