The origin of the pizza

Probably the pizza was invented since the first works with bread. In the Ancient Greece the people ate a king of bread with herbs, spices, garlics and onions. But the origing of the pizza is situated in the Ancient Italy. The greeks normaly cooked bread with a circle form, and then, they cut it in triangles.
In the 17 th century, in Napoles, was cooked the first pizza with tomato. In 1889 was added the cheese.