Labor Day is a U.S. federal holiday celebrated on the first Monday of September to honor the American labor movement and the contributions of workers to the nation's development. Originating in the late 19th century amid growing trade union movements, the first parade occurred in New York City in 1882, organized by the Central Labor Union. Oregon was the first state to recognize it as a public holiday in 1887, and it became a federal holiday in 1894. Labor Day marks the unofficial end of summer, featuring events, parades, sports, and sales, with schools often resuming around this time. https://en.wikipedia.org/wiki/Labor_Day