Abstract art the basis of a new visual art, later to be developed into Cubism by Georges Braque and Pablo Picasso. Post Impressionism as practiced by Paul Gauguin, Georges Seurat, Vincent van Gogh and Paul Cézanne had an enormous impact on 20th-century art and led to the advent of 20th-century abstraction. The heritage of painters like Van Gogh, Cézanne, Gauguin, and Seurat was essential for the development of modern art. At the beginning of the 20th century Henri Matisse and several other young artists including the pre-cubist Georges Braque, André Derain, Raoul Dufy and Maurice de Vlaminck revolutionized the Paris art world
Western use of the swastika in the early 20th century specifically Indo-European symbol, and associated it with the ancient migrations of Proto-Indo-Europeans. He connected it with similar shapes found on ancient pots in Germany, and theorised that the swastika square was a "significant religious symbol of our remote ancestors", linking Germanic, Greek and Indo-Iranian cultures. Later discoveries of the motif among the remains of the Hittites and of ancient Iran seemed to confirm this theory, but the symbol was also known for its use by indigenous American Indians as well as Eastern cultures. By the early 20th century it was used worldwide and was regarded as a symbol of good