Hitchcock Chronology: Mary (1931)
- Principal photography starts on Murder!, starring Herbert Marshall, Norah Baring and Edward Chapman. At the same time, the sets are re-used to film a German version titled Mary.
- Filming completes on both Murder! and Mary.
- 29th - Cinematographer Jack E. Cox, who worked with Hitchcock on The Ring, Champagne, The Farmer's Wife, Blackmail, The Manxman, Murder!, Juno and the Paycock, Mary, Rich and Strange, The Skin Game, Number Seventeen and The Lady Vanishes, dies aged 64.