The first Labor Day was celebrated Sept. 5, 1882, in New York City, when some 20,000 working people marched to demand an eight-hour workday and other labor law reforms. Since then, Labor Day celebrations have taken many forms, and so has labor activism. To learn more, check out posts from the AFL-CIO Now blog on the history of Labor Day and other key moments in labor history.

• Across the Country, Celebrating Labor Day with a Call to Action
• As Labor Day Nears, Looking at the State of the Union Movement
• On Labor Day Obama Says Workers Will Lead Us Out of Economic Crisis
• Obama Tells AFL-CIO He's Fired Up for Health Care, Rebuilding America
  
• Labor Day—And Yours
• Labor Day—A Poor Cousin to May Day?
• Eight Hours for What We Will!
• The Face of Child Labor
• Working-Class Women: On the Front Lines of Feminism
• Why Won't Workers Join Unions?