City of Sioux City on Instagram: "Popcorn shows up everywhere in our lives. Movie nights, school projects, concession stands, circuses, concerts, and holiday traditions. It’s such a familiar part of American culture that we rarely stop to think about where it all started. With National Popcorn Day coming up on January 19, we wanted to share the story a little early and highlight something pretty special. One of the most iconic popcorn brands in the world got its start right here in Sioux City. J