The Death of Constantine III – Gibbon’s Decline and Fall of the Roman Empire Chapter 31 Part 6

After the disastrous invasion of Gaul by the barbarians in 405 the Roman Empire hung on in the North largely thanks to the activity of Constantine III.  His position was precarious but he survived by quick wits and deft diplomacy.  How long he could have kept this up is hard to tell.  As it was he wasn't recognised by the official Roman Empire and they killed him.