September 20th, we recognize the most popular pizza ever created. Pepperoni Pizza Day celebrates the pizza enjoyed by all. While pizza comes in many flavors, pepperoni is the single most popular pizza. Whether you like your pizza Chicago Style or New York Style, thin and crispy or deep dish, top it with pepperoni! According to legend, Raffaele Esposito created the first pizza in June 1889 in honor of the Queen of Italy, Margherita of Savoy. A take and bake at home pizza filled with pepperoni!