Labor Day the Knights of Labor, which organized the first parade in New York City. In 1887, Oregon was the first state of the United States to make it an official public holiday. By the time it became an official federal holiday in 1894, thirty states in the United States officially celebrated Labor Day. Canada's Labour Day is also celebrated on the first Monday of September. More than 80 countries celebrate International Workers' Day on May 1 – the ancient European holiday of May Day. (May Day was chosen by the Second Internationale of socialist and communist parties to commemorate the Haymarket
Labor Day such as school and sports begin about this time. In the United States, many school districts resume classes around the Labor Day holiday weekend (see First day of school). Many begin the week before, making Labor Day weekend the first three-day weekend of the school calendar, while others return the Tuesday following Labor Day, allowing families one final getaway before the school year begins. Many districts across the Midwest are opting to begin school after Labor Day. In the U.S. state of Virginia, the amusement park industry has successfully lobbied for legislation requiring most school districts in the state to