Pizza became especially popular in the United States through Italian immigration.
The word pizza originally meant flatbread.
Pizza was first created as a frozen food in the United States.
Hawaiian pizza was invented in Hawaii.
In Finland, smoked reindeer is a popular topping.
The Margherita pizza honors the colors of the Italian flag.
The first online order of pizza was made in 1994.
Neapolitan pizza traditionally uses a thin crust.
