Cubism Cubism", (from 1909 to 1914) during which time Juan Gris emerged as an important exponent (after 1911); and finally Cooper referred to "Late Cubism" (from 1914 to 1921) as the last phase of Cubism as a radical avant-garde movement. Douglas Cooper's restrictive use of these terms to distinguish the work of Braque, Picasso, Gris (from 1911) and Léger (to a lesser extent) implied an intentional value judgement. Cubism burgeoned between 1907 and 1911. Pablo Picasso's 1907 painting "Les Demoiselles d'Avignon" has often been considered a proto-Cubist work. Georges Braque's 1908 "Houses at L’Estaque" (and related works) prompted the critic Louis
Western use of the swastika in the early 20th century luck. The swastika's worldwide use was well documented in an 1894 publication by the Smithsonian. The symbol appeared in many popular, non-political Western designs from the 1880s to the 1920s, with occasional use continuing into the 1930s. Western use of the motif was subverted in the early 20th century after it was adopted as the emblem of the Nazi Party (). The swastika was used as a conveniently geometrical and eye-catching symbol to emphasise the so-called Aryan-German correspondence and instill racial pride. Since World War II, most Westerners have known the swastika as a Nazi symbol, leading to confusion about