308The Congress of Carnuntum: Attempting to keep peace within the Roman Empire, the leaders of the Tetrarchy declare Maxentius and Licinius to be Augusti, while rival contender Constantine I is declared Caesar of Britain and Gaul.
The Congress of Carnuntum: Attempting to keep peace within the Roman Empire, the leaders of the Tetrarchy declare Maxentius and Licinius to be Augusti, while rival contender Constantine I is declared Caesar of Britain and Gaul.
