On February 6, 1940, the San Francisco Museum of Art opened Twentieth Century German Art (Banned), an exhibition explicitly framed around modern art suppressed by Nazi cultural policy. The date and venue are recorded in Wikidata from SFMOMA's historical exhibition list, while contextual sources on Degenerate art document the Nazi campaign against modernism: artists associated with Expressionism, Cubism, Dada, Surrealism and other modern movements were removed from museums, banned from exhibiting, and publicly mocked in the 1937 Entartete Kunst exhibition. By presenting banned German modern art in an American museum shortly before the United States entered World War II, the San Francisco show translated European cultural repression into a public art-historical argument about modernism, freedom, and political censorship.
The exhibition helped position modern art as a cultural casualty of fascism and a cause for American museum advocacy.