Overview

• May 1, 2025, marks International Workers’ Day with marches and ceremonies commemorating labor struggles and advocating for workers' rights globally.
• The holiday originated in 1889, established by the Second International Socialist to honor the Chicago Martyrs of the 1886 Haymarket Riot.
• Argentina’s new decree confirms May 1 as a public holiday and introduces May 2 as a tourism-focused non-working day, creating a four-day domestic travel opportunity.
• In the United States, Labor Day remains a September observance, with May Day rallies this year focusing on protests against former President Donald Trump.
• Modern celebrations reflect a mix of historical remembrance and nostalgia, as labor movements contend with challenges like automation and precarious employment.