The Meaning of Labor Day Labor Day, the first Monday in September, is a creation of the labor movement and is dedicated to the social and economic achievements of American workers. It constitutes a yearly national tribute to the contributions workers have made to the strength, prosperity, and well-being of our country. The history of Labor Day seems unimportant for what has become a wonderful end of summer holiday for the American public. Beach parties, pool parties, barbecues and fireworks displays are just a few of the events that frequently herald the arrival of Labor Day. In the United States, Labor Day is celebrated on the first Monday in September, creating a long weekend for the working population. On your next Labor Day vacation, take time out to consider the history of Labor Day and its original meaning.