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Chicago's May Day Events Celebrate Workers’ Struggle and Solidarity

Chicago labor activists’ strike for an eight-hour day sparked clashes that helped inspire the 1889 declaration of May 1 as a labor holiday.

  • International Workers' Day traces its origins to Chicago, where the Federation of Organized Trades and Labor Unions set May 1, 1886, as the date for a nationwide strike to secure an eight-hour workday.
  • Surging to over 700,000 members by 1886, the Knights of Labor mobilized workers facing 10 to 12-hour days, six days a week, demanding better working conditions and higher pay.
  • Police opened fire indiscriminately into a crowd during the May 4, 1886, Haymarket Square rally; a bomb killed one officer, leaving seven police and four workers dead.
  • The 1889 International Socialist Conference designated May Day as a labor holiday to honor the protesters killed during the Haymarket affair, establishing a global legacy of workers' solidarity.
  • Yesterday, Mayor Brandon Johnson and eight other mayors signed the Haymarket Declaration, demonstrating commitment to workers' rights as organizers gather for the 'Workers Over Billionaires' rally at Union Park.
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17 Articles

Lean Right

On May 1, 1886, a general strike began in Chicago demanding the eight-hour working day. Thousands of workers paralysed their activities in the United States to press for this right.The Eight-Hour Struggle At the end of the 19th century, Chicago was one of the main industrial centers in the country.Workdays could well exceed eight hours and even reach 18. In 1884, the American Labour Federation set May 1, 1886 as the deadline for achieving change…

·Chile
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Lean Left

It is linked to an episode that took place in Chicago in 1886, when we fought for the 8-hour working day, and it is celebrated in almost all the world.

·Italy
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May 1st is considered a day of work worldwide. At its origin there was a workers' strike in Chicago in 1886. However, the day has been celebrated in Europe for centuries – for quite different reasons.

·Zürich, Switzerland
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Learn about the history of Labor Day, from the Chicago Martyrs in 1886 to the differences between May 1st and American Labor Day. The May 1 entry to Labor Day: The Origin of the Struggle for the 8-Hour Day was first published in La Voz de Michoacán.

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People's World broke the news on Thursday, April 30, 2026.
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