Gargantua and Pantagruel
Rabelais's "Tiers Livers" of Gargantua and Pantagruel (1546) portrays a horned fool as a cuckold. In Molière's "L'École des femmes" (1662), a man named Arnolphe (see below) who mocks cuckolds with the image of the horned buck ("becque cornu") becomes one at the end.