Ah, fondue. This mouth-watering mid-century throwback can instantly class up a dinner party. Here's a bit of history to impress your guests and some recipes and party tips to make your fondue night a success. Originally conceived in a 1699 Swiss cookbook, fondue was popularized in America in the 1950s and made an appearance at the 1964 World's Fair, held in Flushing Meadows, New York City. Since that time, fondue has become pervasive enough in American culture that there are