Celebrating National Pizza Day

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(CNN) -- Today is the day we've all been waiting for, not only is it Friday but it's National Pizza Day!

Pizza is surely an all American favorite, whether it's deep-dish, New York style, white, gluten-free or anything in between, it's safe to say there's a pie for everyone.

Americans consume about 23-pounds of pizza per person each year, and pepperoni is the most popular.

The first pizzeria opened in New York City in 1895. Today, some 17% of all restaurants in the United States are pizzerias.