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 such a public celebration, owing to optimum weather and the date's place on the calendar, sitting midway between the Fourth of July and Thanksgiving public holidays. Labor Day picnics and other public gatherings frequently featured speeches by prominent labor leaders. In 1909 the American Federation of Labor convention designated the Sunday preceding Labor Day as "Labor Sunday", to be dedicated to the spiritual and educational aspects of the labor movement. This secondary date failed to gain significant traction in popular culture. In 1887 Oregon became the first state of the United States to make Labor Day an official public holiday.