History of the socialist movement in the United States Day as the main workers holiday around the world (except in the United States, which celebrates Labor Day on the first Monday of September) and making the 8-hour day a worldwide objective by workers organizations and socialist parties worldwide. Under Socialist Party of America presidential candidate Eugene V. Debs, socialist opposition to World War I led to the governmental repression collectively known as the First Red Scare. The Socialist Party declined in the 1920s, but nonetheless often ran Norman Thomas for President. In the 1930s, the Communist Party USA took importance in labor and racial struggles while it suffered a
Labor Day By the time it became an official federal holiday in 1894, thirty U.S. states officially celebrated Labor Day. All U.S. states, the District of Columbia, and the United States territories have subsequently made Labor Day a statutory holiday. The date of May 1 (an ancient European folk holiday known as May Day) emerged in 1886 as an alternative holiday for the celebration of labor, later becoming known as International Workers' Day. The date had its origins at the 1885 convention of the American Federation of Labor, which passed a resolution calling for adoption of the eight-hour day effective May 1,