The Barbaric Dance (Before Salomé and Herod) by Pablo Picasso Spain, 20th century · 1905, printed 1913 · drypoint
Les Demoiselles d'Avignon by Pablo Picasso Proto-Cubism · 1907 Five Barcelona prostitutes, faces half-African mask, bodies fractured into angular planes. Picasso hid it for years; when it emerged it had already ended the 19th century.