It’s National Popcorn Day and here are some facts about popcorn.
circa 1970: John Lennon (1940 - 1980) with his wife Yoko Ono. (Photo by Keystone/Getty Images)
SAN FRANCISCO - JANUARY 1: Janis Joplin and Big Brother & The Holding Company perform at the New Year's Wail in Golden Gate Park on January 1, 1967 in San Francisco, California. (Photo by Malcolm Lubliner/Michael Ochs Archives/Getty Images)