From history and background to celebrations, here’s how May Day is different from Labor Day in the United States.

The labor activism of the late 1800s still casts a distant light on Labor Day today, carrying a vital message about the struggle for control of workers’ daily lives.

What is the history of Labor Day’s founding? The history of Labor Day starts with the Industrial Revolution of the 18th and 19th centuries.

International Workers’ Days and Labor Day both arose during the same period, in the U.S. nearly 150 years ago, in the midst of an explosive labor uprising in America’s industrial heartland.

Most of the world observes International Workers’ Day on May 1 or the first Monday in May each year, but not the United States and Canada. Instead, Americans and Canadians have celebrated Labor ...