Labor Day: This United States federal holiday began in 1882, originating from a desire by the Central Labor Union to create a day off for the "working man". It is still celebrated mainly as a day of rest and marks the symbolic end of summer for many. If you're looking for things to do on Labor Day to celebrate the "working man's" holiday, look to Flagandbanner.com! What about a Labor Day picnic or bar-b-que? We have a great supply of patriotic picnic supplies and decorations that are sure to make your event memorable.