Impressionism
-- Monet: this link gives a short audio clip explanation of "en plein aire" and the basics of impressionism.

World War One:
OTTO Dix nocturnal apparition
Otto Dix THE WAR

Art Nouveau

FUTURISM
-- Umberto Boccioni. Unique Forms of Continuity in Space. 1913 (English)


Weimar Germany
-- Anti Communist Poster
-- Hell ....overall situation in Weimar
--War: Kollwitz

Surrealism
Persistence of Memory by Dali