 Medieval accounts of King Lucius, Fagan and Deruvian, and Joseph of Arimathea, however, are now usually accounted as pious frauds.The earliest certain historical evidence of Christianity among the Britons is found in the writings of such early Christian Fathers as Tertullian and Origen in the first years of the 3rd century, although the first Christian communities probably were established at least some decades earlier.Initially, Christianity was but one of a number of religions