The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The Knights of Labor union founded in 1869 took the movement to a new level drawing a national membership. The ethos of the Knights was to include anyone involved in production, which helped its ...

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.

The first Labor Day celebration in the U.S. took place in New York City on Sept. 5, 1882, when some 10,000 workers marched in a parade organized by the Central Labor Union and the Knights of Labor.