 The Dreyfus Affair was a turning point in the political history of France and in the Third Republic (1871–1940), established after the 1870 Franco-Prussian War and the 1871 Paris Commune.The modern "far right" or radical right, grew out of two separate events of 1889.The Socialist International was formed at the Paris Conference, which imposed doctrinal orthodoxy on socialists and demanded their allegiance to the international working class rather than their nation.