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
Determination of the day of the week Determination of the day of the week The determination of the day of the week for any date may be performed with a variety of algorithms. In addition, perpetual calendars require no calculation by the user, and are essentially lookup tables. A typical application is to calculate the day of the week on which someone was born or a specific event occurred. In numerical calculation, the days of the week are represented as weekday numbers. If Monday is the first day of the week, the days may be coded 1 to 7, for Monday through Sunday, as is practiced in