Broadway acting debut in "Hearts Are Trumps"
Member of the Standard Opera Company as director-actor
Acted for David Belasco
Made general manager of mother's DeMille Play Company
Formed motion picture firm Lasky Feature Play Company with Jesse L. Lasky, Samuel Goldfish (later Goldwyn) and Arthur Friend
First film as co-producer and co-director (with Oscar C. Apfel) "The Squaw Man" (first US feature film)
Helped devise a mechanical color tinting process for his "Joan the Woman"
Formed California's first commercial airline, Mercury Aviation Company
Formed Cecil B. DeMille Productions
Left Paramount (previously Jesse L. Lasky Feature Play Company)
Formed Cinema Corporation of America
First film as independent producer, "The Road to Yesterday"
Cinema Corporation of America merged with Pathe
Helped form the Screen Directors Guild
Hired by Lever Brothers as sponsor of "Lux Radio Theater"
Offered Republican senator nomination (California)
Left "Lux Radio Theater"
Formed DeMille Foundation for Political Freedom in late 1940s
Helmed the Oscar-winning Best Picture "The Greatest Show on Earth"