Here are some fun pizza facts to help celebrate National Pizza Day:
- Pepperoni pizza is the most popular pizza type in the world.
- Over 3,000,000,000 (three billion) pizzas are ordered every year in the U.S.
- Over 1,000,000,000 (one billion) frozen pizzas are purchased every year in the U.S
- The 1st pizzeria to open in the U.S. was Gennaro Lombardi in 1895 in New York City.