The idea of celebrating Hot Dog Day is the brainchild of two students, Mark O'Meara and Eric "Rick" Vaughn.

Hot Dog Day is an annual event in the village of Alfred, New York. It began in 1972.

The Hot Dog Season is considered to be the period from Memorial Day to Labor Day.

Sports cartoonist Tad Dorgan is credited with the coinage of the term "hot dog" in 1901 at the New York Polo Grounds.

Americans celebrate National Hot Dog Day on July 21 every year.

Miller Park in Milwaukee is the only Major League Baseballpark that sells more sausages than hot dogs per season.

The first words that Walt Disney's immortal creation Mickey Mouse ever uttered in a cartoon were “hot dogs” (in “The Karnival Kid, 1929). The cartoons he was featured in were silent ones up until that point.

The Hot Dog and Bob Series, featuring a talking hot dog and an ordinary boy named Bob, is a very popular children's series.

New Yorkers consume more hot dogs than any other city, beating out Chicago and Los Angeles.

According to a study in 1999, Americans consumed 7 billion hot dogs or 818 hot dogs every second during the Hot Dog Season.

The average American is believed to eat approximately 60 hot dogs every year.