Both the sun and Christ were said to be born anew on December 25. But while the solar associations with the birth of Christ created powerful metaphors, the surviving evidence does not support such a direct association with the Roman solar festivals. The earliest documentary evidence for the feast of Christmas makes no mention of the coincidence with the winter solstice. Thomas Talley has shown that, although the Emperor Aurelian's dedication of a temple to the sun god in the Campus Martius (C.E. 274) probably took place on the 'Birthday of the Invincible Sun' on December 25, the cult of the sun in pagan Rome ironically did not celebrate the winter solstice nor any of the other quarter-tense days, as one might expect. The origins of Christmas, then, may not be expressly rooted in the Roman festival.