Labor Day is a day celebrated in many countries to commemorate the struggle for workers' rights.

Celebrated on this day to pay homage to the martyrs of Chicago, a country where a series of revolts and strikes began to demand an 8-hour workday, 8 hours of leisure and 8 hours of rest, since until now the workday lasted more than 16 hours.

On May 1, 1886, more than 300,000 workers in this country went on strike. On May 4, 1886, during a demonstration in Chicago's Haymarket Square, known as the Haymarket Riot, a bomb was thrown at the police, resulting in the death of several policemen and civilians. As a result, several union leaders were sentenced to death in retaliation; “The Chicago Martyrs”.

Since 1889, when Paris proclaimed May 1st Workers' Day, it has been celebrated in many countries such as Spain, the first edition of the Varco multidisciplinary fair will be held in Vigo, dates, program and information.

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