What is what holiday is on september 4th?

One of the holidays observed on September 4th is Labor Day in the United States. It is a federal holiday that honors and recognizes the American labor movement and the works and contributions of laborers to the development and achievements of the country. Labor Day is typically celebrated with parades, barbecues, picnics, and other gatherings that bring people together to enjoy the last long weekend of summer. It also marks the unofficial end of summer and the beginning of the fall season. Additionally, in some countries, September 4th is also observed as Newspaper Carrier Day, which acknowledges the hard work and dedication of newspaper carriers who deliver newspapers to homes and businesses.