Hot dogs originated in Frankfurt, Germany in the 13 Century and were called "Frankfurter Wurstchen."
The first hot dog stand in America was opened by a German immigrant, Charles Feltman, in Coney Island in 1867.
The term "hot dog" was coined by sports cartoonist T.A. Dorgan in 1906.
The world's longest hot dog was 203 meters (669 feet) long and was made in 2011.
The National Hot Dog and Sausage Council estimates that Americans consume 20 billion hot dogs each year.
The hot dog eating contest at Nathan's Famous in Coney Island has been held annually since 1972 and is one of the most popular events on the Fourth of July.
A popular topping in Chicago-style hot dogs is a neon-green relish made with pickles, peppers, and food coloring.
The world record for the hottest dogs eaten in 10 minutes is 75, set by competitive eater Joey Chestnut in 2020.