According to the Department of Labor, the first Labor Day celebration in the US took place in New York City on September 5, 1882. On that day, between10,000 to 20,000 workers marched across lower Manhattan.(image below)
Before it was a federal holiday, Labor Day was recognized by labor activists and individual states. By 1894, 32 States had adopted the holiday, and on June 28, 1894, Congress passed an act making the first Monday in September of each year a legal holiday. Read more