Nonlinear narrative a linear storyline, while nonlinear films often contain linear sequences. Orson Welles' "Citizen Kane" (1941)—influenced structurally by "The Power and the Glory" (1933)—and Akira Kurosawa's "Rashomon" (1950) use a non-chronological flashback narrative that is often labeled nonlinear. Experimentation with nonlinear structure in film dates back to the silent film era, including D. W. Griffith's "Intolerance" (1916) and Abel Gance's "Napoléon" (1927). Nonlinear film emerged from the French avant-garde[5] in 1924 with René Clair’s "Entr'acte", Dadaïst film and then in 1929 with Luis Buñuel and Salvador Dalí's "Un Chien Andalou" (English: "An Andalusian Dog"). The surrealist film jumps into fantasy and
Un Chien Andalou defined Surrealism as "Psychic Automatism", unconscious, capable of returning to the mind its true functions, beyond any form of control by reason, morality or aesthetics." The film was financed by Buñuel's mother, and shot in Le Havre and Paris at the Billancourt Studios over a period of 10 days in March 1928. It is a black and white, 35mm, silent film, with a running time of 17 minutes, although some sources state 24 minutes, and a physical length of 430 meters. For many years (and still), published and unpublished reports have circulated that Buñuel had used a dead pig's eye,