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If any city can claim to be the capital of the Fast Food Nation, it's St Louis. In a single year, the low-key midwestern metropolis gave America a slew of delicious, if devilish, treats: peanut butter, the hot dog, Dr Pepper, iced tea, cotton candy and even crunchy ice cream cones.
Each of them made their debut -- at least, in the national arena - during the 1904 World's Fair, staged in St Louis's Forest Park as a centenary celebration of the Louisiana Purchase. Compared with rival Chicago's fair 11 years before, which had focused on pomp and ceremony, this was about mass marketing and shopping (one exhibition showed the time-saving tricks of cooking with the innovation known as electricity). This fair was focused on everyday innovations, so it was natural that inventiveness should stretch into food, too.





