ntings of the early 1930s, stressing harmonious, curvilinear lines and expressing an underlying eroticism, reflect Picasso's pleasure with his newest love, Marie Thrse Walter, who gave birth to their daughter Maa in 1935. Marie Thrse, frequently portrayed sleeping, also was the model for the famous Girl Before a Mirror. In 1935 Picasso made the etching Minotauromachy, a major work combining his minotaur and bullfight themes; in it the disemboweled horse, as well as the bull, prefigure the imagery of Guernica, a mural often called the most important single work of the 20th century. Guernica Picasso was moved to paint the huge mural Guernica shortly after German planes, acting on orders from Spain's authoritarian leader Francisco Franco, bombarded the Basque town of Guernica on April 26, 1937, during the Spanish civil war. Completed in less than two months, Guernica was hung in the Spanish Pavilion of the Paris International Exposition of 1937. The painting does not portray the event; rather, Picasso expressed his outrage by employing such imagery as the bull, the dying horse, a fallen warrior, a mother and dead child, a woman trapped in a burning building, another rushing into the scene, and a figure leaning from a window and holding out a lamp. Despite the complexity of its symbolism, and the impossibility of definitive interpretation, Guernica makes an overwhelming impact in its portrayal of the horrors of war. World War II and After Picasso's palette grew somber with the onset of World War II (1939-1945), and death is the subject of numerous works, such as Still Life with Steer's Skull and The Charnel House. He formed a new liaison during the 1940s with the painter Franoise Gilot who bore him two children, Claude and Paloma; they appear in many works that recapitulate his earlier styles. The last of Picasso's companions to be portrayed was Jacqueline Roque, whom he met in 1953 and married in 1961. He then spent much of his time in so...