On May 1, 1886, 350000 workers in Chicago, USA went on strike to fight for an 8-hour workday. In July 1889, the Second International established May 1 as International Labor Day at its Paris Congress.
On May 1, 1886, 350000 workers in Chicago, USA went on strike to fight for an 8-hour workday. In July 1889, the Second International established May 1 as International Labor Day at its Paris Congress.