Roland Truslove and Henri de Blowitz, 1911 Encyclopædia Britannica, Volume 20… (1911)
“ Lutetia was in some sort the cradle of Christian liberty, having been the capital, from 292 to 306, of the mild Constantius Chlorus, who put an end to persecution in Brittany, Gaul and Spain, over which he ruled. This emperor fixed his residence on the banks of the Seine, doubtless for the purpose of watching the Germans without losing sight of Brittany, where the Roman authority was always unstable ”
