The law of 21 March 1884, which legalized the formation of syndicats for the defence of ‘economic, industrial, commercial and agricultural interests’, was not intended to apply to civil servants. They were not thought to have such interests. There was, it is true, some dispute as to which categories of public employees were covered by this legal prohibition, and the Chamber of Deputies maintained in 1894 that the law applied to workers in industrial enterprises run by the state. But governments steadfastly refused to allow postal officials or schoolteachers, for instance, the right to form syndicats. They did not, however, contest their right to form associations under the law of 1 July 1901, and conflict became acute in the period after 1905 as these associations began to transform themselves into syndicats or to claim rights associated with the syndicat The postal strikes in Paris in 1909 and the rail strike of 1910 were particular causes célèbres