But where did the ideas go? By Serge July – Liberation

The origins of socialist movement appeared in France after 1830. This delay on the other major countries on the continent would be due to late industrialization. The countries of northern Europe will develop mass parties and a social democratic model generally linked to the union movement. If the French Socialist Party celebrated its hundredth anniversary in 2005, it is because the SFIO (French section of the Ouvrière International) had emerged in 1905 from the meeting-fusion of several socialist currents, combining workers and reformists, including those of Jules Guesde and Jean Jaurès.

From 1920 and the split of the Congress of Tours, the SFIO had to compete with a competitive communist party, whose birth is consecutive to the October Revolution in Russia. It was not until 1936 that the socialists and the communists paraded together. Faced with emerging fascisms, the Communist International, from Moscow, had had the worst strategies in the 1920s: « Class against class », Socialists were all treated as social traitors.

She changed her strategy during her seventh congress in 1935 and now defends the Union of the left, with the socialists, the Communists and the Radicals in an alliance that applies