Labor Day is a federal holiday in the United States celebrated on the first Monday of September to honor and recognize the American labor movement and the works and contributions of laborers to the development and achievements of the United States.
Labor Day Parade in New York's Union Square, 1882
P. J. McGuire, Vice President of the American Federation of Labor, is frequently credited as the father of Labor Day in the United States.
Labor Day parade on Pennsylvania Avenue in Washington, D.C., c. 1894