It’s been said that popcorn was part of the first Thanksgiving feast, in Plymouth Colony in 1621

It’s hard to think of a more purely American food than popcorn. Whether it’s salted and buttered at a movie theatre, kettle corn at a state fair or a caramel popcorn ball at holiday time, we devour the stuff. And we’re far from the world’s first popcorn fans: Archeologists have found traces of popcorn in 1,000-year-old Peruvian tombs. This week, we’ll take a look at the story behind this popular snack, and discover that there’s more beneath that hard husk than meets the eye.

1938 | Movie Popcorn

Midwestern theater owner named Glen W. Dickson installed popcorn machines in the lobbies of his theaters.

1848 | The word Pop Corn

The term popped corn first appeared in John Russell Bartlett’s 1848 Dictionary of Americanisms.

1981 | First microwave popcorn bag

In 1981, General Mills received the first patent for a microwave popcorn bag, with popcorn consumption seeing a sharp increase by tens of thousands of pounds in the years following.