Dadaists were members of an avant-garde art movement that emerged in the early 20th century, primarily in Europe, as a reaction to the devastation of World War I. This movement rejected traditional artistic values and embraced chaos, irrationality, and absurdity, often using satire and parody to critique contemporary society and culture. Dadaists sought to challenge conventional notions of art and meaning, making significant contributions to the development of modern art and influencing later movements like Surrealism and Performance Art.