Day".

Modern pizza evolved from similar flatbread dishes in Naples, Italy, in the 18th or early 19th century. Before that time, flatbread was often topped with ingredients such as garlic, salt, lard, and cheese. It is uncertain when tomatoes were first added and there are many conflicting claims, although it certainly could not have been before the 16th century and the Columbian Exchange. Pizza was sold from open-air stands and out of pizza bakeries until about