Pizza

It is possible that pizza is a Greek flat bread called laganon. The word is currently applied to pizza in Greece. And it is a fact that the epicenter of the planetary pizzaquake is Naples, established as a Greek colony in antiquity (Neapolis = new city in Greek) and evolved into Napoli, and that is why we call its people Neapolitans.

On the other hand, any definition of pizza must define it as a yeast-risen flat bread with a topping, to distinguish it from all the other untop