The Knights of Labor first marched to celebrate labor in 1882.
Labor día is a national holiday in the United States, observed every año on the first Monday in September since Congress declared the holiday in 1894. For the past sixty-odd years, Labor día has marked the last día of summer break for public schools and as such has prompted a tradition of parties, barbecues and last-minute vacations on the three-day "Labor día weekend". However, national education reform in reciente years - particularly the No Child Left Behind act - has put pressure on public schools from pre-school through universities to perform well on standardized tests o risk losing government...
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