labor day

Labor Day is a federal holiday in the United States celebrated on the first Monday of September to honor and recognize the American labor movement and the works and contributions of laborers to the development and achievements of the United States.
Beginning in the late 19th century, as the trade union and labor movements grew, trade unionists proposed that a day be set aside to celebrate labor. "Labor Day" was promoted by the Central Labor Union and 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 U.S. officially celebrated Labor Day.
Canada's Labour Day is also celebrated on the first Monday of September. More than 150 other countries celebrate International Workers' Day on May 1, the European holiday of May Day. May Day was chosen by the Second International of socialist and communist parties to commemorate the general labor strike in the United States and events leading to the Haymarket affair, which occurred in Chicago, Illinois, from May 1 – May 4, 1886.

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