Historical trivia for you: Labor Day first became a national holiday in 1894 in a declaration signed by President Grover Cleveland, the intent being to celebrate workers and the many accomplishments of the labor movement.
Update to today -- Labor Day 2012: Every year, you hear less and less about the "Labor" part of Labor Day, and I can't help but wonder how long it will before the plutocrats and big business, in their ongoing move to demonize labor unions, find a way to change the name of the holiday to something else. It's appalling how they have, through their political puppets, already convinced many lower/middle income, underemployed and underpaid voters that unions are a bad thing.
More historical trivia for you: Organized labor was the first group to be crushed by the Fascists in Italy and the Nazis in Germany in the 1930s.
I hope you are having a good Labor Day.