Auguste Marie Joseph Jean Léon Jaurès (3 September 1859 – 31 July 1914), commonly referred to as Jean Jaurès (French: [ʒɑ̃ ʒɔʁɛs] ; Occitan: Joan Jaurés [dʒuˈan dʒawˈɾes]), was a French socialist leader. Initially a Moderate Republican, he later became a social democrat and one of the first possibilists (the reformist wing of the socialist movement) and in 1902 the leader of the French Socialist Party, which opposed Jules Guesde's revolutionary Socialist Party of France. The two parties merged in 1905 into the French Section of the Workers' International (SFIO). An antimilitarist, he was assassinated in 1914 at the outbreak of World War I but remains one of the main historical figures of the French Left. As a heterodox Marxist, Jaurès rejected the concept of the dictatorship of the proletariat and tried to conciliate idealism and materialism, individualism and collectivism, democracy and class struggle, and patriotism and internationalism.
The son of an unsuccessful businessman and farmer, Jean Jaurès was born in Castres, Tarn, into a modest French provincial haut-bourgeois family. His younger brother, Louis, became an admiral and a Republican-Socialist deputy.
A brilliant student, Jaurès was educated at the Lycée Sainte-Barbe in Paris and admitted first at the École normale supérieure, in philosophy, in 1878, ahead of Henri Bergson. He obtained his agrégation of philosophy in 1881, ending up third, and then taught philosophy for two years at the Albi lycée before lecturing at the University of Toulouse. He was elected Republican deputy for the département of Tarn in 1885, sitting alongside the moderate Opportunist Republicans, opposed both to Georges Clemenceau's Radicals and to the Socialists. He then supported both Jules Ferry and Léon Gambetta. On 29 June 1886 Jaurès married Louise Bois who despite Jaurès's secularism remained a devout Catholic.
In 1889, after unsuccessfully contesting the Castres seat, this time under the banner of Socialism, he returned to his professional duties at Toulouse, where he took an active interest in municipal affairs and helped to found the medical faculty of the university. He also prepared two theses for his doctorate in philosophy, De primis socialismi germanici lineamentis apud Lutherum, Kant, Fichte et Hegel ("On the first delineations of German socialism in the writings of [Martin] Luther, [Immanuel] Kant, [Johann Gottlieb] Fichte and [Georg Wilhelm Friedrich] Hegel") (1891), and De la réalité du monde sensible.
Jaurès became a highly influential historian of the French Revolution. Research in the archives in the Bibliothèque Nationale in Paris led him to the formulation of a theoretical Marxist interpretation of the events. His book Histoire Socialiste (1900–03) shaped interpretations—from Albert Mathiez (1874–1932), Albert Soboul (1914–1982) and Georges Lefebvre (1874–1959)—that came to dominate teaching analysis in class-conflict terms well into the 1980s. Jaurès emphasized the central role the middle class played in the aristocratic Brumaire, as well as the emergence of the working class "sans-culottes" who espoused a political outlook and social philosophy that came to dominate revolutionary movements on the left.
Jaurès was initially a moderate republican, opposed to both Clemenceau's Radicalism and socialism. He developed into a socialist during the late 1880s, when he was in his late 20s. In 1892 the miners of Carmaux went on strike over the dismissal of their leader, Jean Baptiste Calvignac. Jaurès's campaigning forced the government to intervene and require Calvignac's reinstatement. The following year, Jaurès was re-elected to the National Assembly as socialist deputy for Tarn, a seat he retained (apart from the four years 1898 to 1902) until his death.
Defeated in the legislative election of 1898, he spent four years without a legislative seat. His eloquent speeches nonetheless made him a force to be reckoned with as an intellectual champion of socialism. He edited La Petite République, and was, along with Émile Zola, one of the most energetic defenders of Alfred Dreyfus during the Dreyfus Affair. He approved of Alexandre Millerand, and the socialist's inclusion in the René Waldeck-Rousseau cabinet, though this led to an irredeemable split with the more revolutionary section led by Jules Guesde forming the Independent Socialists Party.
In 1902, Jaurès returned as deputy for Albi. The independent socialists merged with Paul Brousse's "possibilist" (reformist) Federation of the Socialist Workers of France and Jean Allemane's Revolutionary Socialist Workers Party to form the French Socialist Party, of which Jaurès became the leader. They represented a social democratic stance, opposed to Jules Guesde's revolutionary Socialist Party of France.
During the Combes administration his influence secured the coherence of the Radical-Socialist coalition known as the Bloc des gauches, which enacted the 1905 French law on the Separation of the Churches and the State. In 1904, he founded the socialist paper L'Humanité. According to Geoffrey Kurtz, Jaures was "instrumental" in the reforms carried out by the administration, Emile Combes, "influencing the content of legislation and keeping the factions within the Bloc united." Following the Amsterdam Congress of the Second International, the French socialist groups held a Congress at Rouen in March 1905, which resulted in a new consolidation, with the merger of Jaurès's French Socialist Party and Guesde's Socialist Party of France. The new party, headed by Jaurès and Guesde, ceased to co-operate with the Radical groups, and became known as the Parti Socialiste Unifié (PSU, Unified Socialist Party), pledged to advance a collectivist programme. All the socialist movements unified the same year in the French Section of the Workers' International (SFIO).
On 1 May 1905 Jaurès visited a newly formed wine making cooperative in Maraussan. He said the peasants had to unite instead of refusing to help each other. He told them to, "in the vat of the Republic, prepare the wine of the Social Revolution!". As the revolt of the Languedoc winegrowers developed, on 11 June 1907 Jaurès filed a bill with Jules Guesde that proposed nationalization of the wine estates. After troops had shot wine-growing demonstrators later that month, Parliament renewed its confidence in the government. Jaurès's L'Humanité carried the headline, "The House acquits the mass killers of the Midi".
In the general elections of 1906, Jaurès was again elected for the Tarn. His ability was now generally recognized, but the strength of the SFIO still had to reckon with radical Georges Clemenceau, who was able to appeal to his countrymen (in a notable speech in the spring of 1906) to rally to a Radical programme which had no socialist ideas in view, although Clemenceau was sensitive to the conditions of the working class. Clemenceau's image as a strong and practical leader considerably diminished socialist populism. In addition to daily journalistic activity, Jaurès published Les preuves; Affaire Dreyfus (1900); Action socialiste (1899); Études socialistes (1902), and, with other collaborators, Histoire socialiste (1901), etc.
In 1911, he travelled to Lisbon and Buenos Aires. He supported, albeit not without criticisms, the teaching of regional languages, such as Occitan, Basque and Breton, commonly known as "patois", thus opposing, on this issue, traditional Republican Jacobinism. Jaures opposed imperialism, arguing that it posed a threat to peace in Europe.
Jaurès was a committed antimilitarist who tried to use diplomatic means to prevent what became the First World War. In 1913, he opposed Émile Driant's Three-Year Service Law, which implemented a draft period, and tried to promote understanding between France and Germany. As conflict became imminent, he tried to organise general strikes in France and Germany in order to force the governments to back down and negotiate. This proved difficult, however, as many Frenchmen sought revenge (revanche) for their country's defeat in the Franco-Prussian War and the return of the lost Alsace-Lorraine territory. Then, in May 1914, with Jaurès intending to form an alliance with Joseph Caillaux for the labour movement, the Socialists won the General Election. They planned to take office and "press for a policy of European peace". Jaurès accused French President Raymond Poincaré of being "more Russian than Russia" and premier René Viviani as being compliant.