The newspaper was founded in 1911. The founding nucleus of the newspaper consisted of
Léon Jouhaux (secretary of the editorial bureau, representing the CGT), Harmel (joint secretary, representing postal workers), Dumas (treasurer, representing clothing workers) and Griffuelhes (administrator, representing leather and skin workers). Apart from editing , the quartet also worked with the evening newspaper ''L'Intransigeant''. The office of was located at 10, boulevard Magenta. The first issue was published on April 27, 1911. As of 1917 François Marie was the general secretary of the publication. Key contributors included
Christiaan Cornelissen, J. Grave, L. Grandidier,
Petr Kropotkin, P. Laval, E. Langevin, E. Le Guery and A. Violette. As of 1917 it claimed a circulation of 30,000. ==Notable contributors==