((happy labor day)) While it may belong to a tradition of spring festivals, the date was chosen in 1889 for political reasons by the Marxist International Socialist Congress, which met in Paris and established the Second International as a successor to the earlier International Workingmen's Association. They adopted a resolution for a "great international demonstration" in support of working-class demands for the eight-hour day. The date had been chosen by the American Federation of Labor to continue an earlier campaign for the eight-hour day in the United States, which had culminated in the Haymarket affair, which occurred in Chicago on 4 May 1886. May Day subsequently became an annual event The 1904 Sixth Conference of the Second International, called on "all Social Democratic Party organizations’ and trade unions of all countries to demonstrate energetically on the First of May for the legal establishment of the ei
