In the early 20th century, Christian writers such as C. S. Lewis noted what he saw as a distinct split between the religious and commercialized observance of Christmas, the latter of which he deplored. In "Xmas and Christmas: A Lost Chapter from Herodotus", Lewis gives a satire of the observance of two simultaneous holidays in "Niatirb" ("Britain" spelled backward) from the supposed view of the ancient Greek historian Herodotus (484–425 BC). One of the holidays, "Exmas", is observed by a flurry of compulsory commercial activity and expensive indulgence in alcoholic beverages. The other, "Crissmas", is observed in Niatirb's temples. Lewis's narrator asks a priest why they kept Crissmas on the same day as Exmas. He receives the reply: