Its later name, originally Constantia, comes either from the Roman emperor Constantius Chlorus, who fought the Alemanni in the region and built a strong fortress around 300 AD, or from his grandson Constantius II, who visited the region in 354.
The Romans may have used Tarvin, being high ground close to the Roman road, as a Roman coin of Constantius 1 (AD 293–305) was found in the area and other finds in other nearby villages reinforce the evidence of the Romans presence in the area.
Constantius II | Constantius | Constantius Chlorus | Constantius III | Constantius of Perugia |
While Constantine was at York in 306 with his father Constantius Chlorus, and was declared Augustus on his father's death in that year, there is no historical evidence to connect Helena with Britain.
Capital of the Unelli, a Gaulish tribe, the town was given the name of Constantia in 298 during the reign of Roman emperor Constantius Chlorus.
A third Iulianus is mentioned revolting between the time Maximian had been raised to the rank of Augustus (1 March 286) and the time Constantius Chlorus and Galerius became Caesar (March 1, 293).