There's a good chance that sometime in the last few days, weeks, or months you may have enjoyed a slice or two of pizza.

Pizza has become a near ubiquitous food which can be found in almost every country.

However, there is no one pizza.

There are vehement disagreements about what pizza is best and what sort of toppings are acceptable.

Learn more about pizza, where it came from, and its variations, on this episode of Everything Everywhere Daily. Book your ticket to happiness with Sun Express Airlines. I'm going to go. The history of pizza can be difficult to pin down because it isn't clear where a piece of flatbread with something on it ends and a pizza begins.

Most of you can probably identify a pizza if you see one, but if you start changing or

removing sauces, toppings, and the type of bread, when does it cease being a pizza?

There are records of ancient bread-making cultures that serve flat pieces of bread with toppings on it.

Let's call these dishes Proto pizzas. There are reports of Persian

soldiers in the 6th century BC who would cook bread on the top of their shields with cheese and

dates. The Greeks were known to cook flatbread with olive oil

herbs and cheese. Flatbread with cooked vegetables on top were mentioned in the

epic poem The Aniad. There are actually examples of flatbread from all over the world including China in India,

so the idea of putting things on top of a flat piece of bread isn't an innovation that is unique

to any one culture.

Pizza, however, comes from Italy,

and as with many other ancient people,

the Romans had their own Proto-Pita.

They had a flatbread dish which was known as Panis Focacius, which is the origin of the Italian

bread known as Focasha. There was a fresco discovered in the rooms of Pompeii

in one of the villas and on it there was a depiction of a still life scene of various foods.

One of the items was a round object, which if you didn't know any better, you would swear was a pizza.

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