03/13/2014 06:44 EDT | Updated 03/13/2014 06:59 EDT

What Is Pi Day? And What's Your Favourite 'Pie'?

Tomorrow is "Pi Day" (March 14, 03/14), and you know what that means: a torrent of corny math jokes and some sweet, sweet dessert.

"Pi Day" was first celebrated at San Francisco's Exploratorium on March 14, 1988.

As National Geographic reported, physicist Larry Shaw looked at the calendar, noticed that the date corresponded to the irrational number "3.1415..." and said, "It's Pi Day, let's celebrate!"

He and some colleagues ordered pie for the staff and a tradition was born. The day is now celebrated in schools, universities and museums around the world, said the magazine.

Of course, a HUGE celebration ought to take place next year, when "Pi Day" falls on March 14, 2015 (3/14/15).

In honour of the occasion, we thought we'd forget that it's Lent and show you our favourite "pies" of all time:

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