Situationist International

international organization of social revolutionaries

thumb|A meeting of the Lettrist group in 1971 (Le Lutèce café, Paris). From left to right: Isidore Isou, Dany Tayarda, Jean-Louis Sarthou, Edouard Berreur, Jacqueline Tarkieltaub and [[Maurice Lemaître.]] Lettrism is a French avant-garde movement, established in Paris in the mid-1940s by Romanian immigrant Isidore Isou. In a body of work totaling hundreds of volumes, Isou and the Lettrists have applied their theories to all areas of art and culture, most notably poetry, film, painting and political theory. The movement has its theoretical roots in Dada and Surrealism. Isou viewed his fellow co

thumb|''Artist's Shit'' (Italian: ) is a 1961 artwork by the Italian artist [[Piero Manzoni, which consists of 90 tin cans, each reportedly filled with of faeces. One of his friends, Enrico Baj, said that the cans were meant as "an act of defiant mockery of the art world, artists, and art criticism".]]

Psychogeography is the exploration of urban environments that emphasizes interpersonal connections to places and arbitrary routes. It was developed by members of the Letterist International and Situationist International, which were revolutionary groups influenced by Marxist and anarchist theory as well as the attitudes and methods of Dadaists and Surrealists.

thumb|A Marlboro cigarette advertisement on a billboard détourned by the group [[BUGAUP, by defacing the cowboy image and modifying the text to read "It's a bore."]]

Parisian avant-garde group 1952-1957, precursor to Situationists

French political organization

1973 film by René Viénet

artist collective and art movement; precursor to the Situationists

a concept of cultural normalisation of radical ideas

German artistic group

1973 film by Guy Debord