1931-11-21 Horror film "Frankenstein" is released, starring Boris Karloff as the monster, directed by James Whale and based on Mary Shelley's 1818 novel "Frankenstein; or, The Modern Prometheus"
1932-12-22 "The Mummy" directed by Karl Freund and starring Boris Karloff is released in the US - 1st Mummy horror film
1950-04-24Leonard Bernstein's musical "Peter Pan", starring Jean Arthur and Boris Karloff, opens at Imperial Theater, NYC; runs for 320 performances
1951-01-27Leonard Bernstein's musical "Peter Pan", starring Jean Arthur and Boris Karloff, closes at Imperial Theater, NYC, after 320 performances