Source of the term Vanity Fair

The Pilgrim's Progress, by John Bunyan

{215} Then I saw in my dream, that when they were got out of the wilderness, they presently saw a town before them, and the name of that town is Vanity; and at the town there is a fair kept, called Vanity Fair: it is kept all the year long. It beareth the name of Vanity Fair because the town where it is kept is lighter than vanity; and, also because all that is there sold, or that cometh thither, is vanity. As is the saying of the wise, "all that cometh is vanity." [Eccl. 1; 2:11,17; 11:8; Isa. 11:17]

{216} This fair is no new-erected business, but a thing of ancient standing; I will show you the original of it.

Almost five thousand years agone, there were pilgrims walking to the Celestial City, as these two honest persons are: and Beelzebub, Apollyon, and Legion, with their companions, perceiving by the path that the pilgrims made, that their way to the city lay through this town of Vanity, they contrived here to set up a fair; a fair wherein, should be sold all sorts of vanity, and that it should last all the year long: therefore at this fair are all such merchandise sold, as houses, lands, trades, places, honours, preferments, titles, countries, kingdoms, lusts, pleasures, and delights of all sorts, as whores, bawds, wives, husbands, children, masters, servants, lives, blood, bodies, souls, silver, gold, pearls, precious stones, and what not.

And, moreover, at this fair there is at all times to be seen juggling cheats, games, plays, fools, apes, knaves, and rogues, and that of every kind.

Here are to be seen, too, and that for nothing, thefts, murders, adulteries, false swearers, and that of a blood-red colour.