It’s an American holiday that pays tribute to workers in the U.S. and is traditionally observed on the first Monday in September. Labor Day became a federal holiday in 1894 and was created by the labor movement in the late 19th century. Labor Day is often celebrated with parties and parades, but that may change due to the ongoing COVID-19 pandemic. NJ.com shares what you need to know regarding what is open and closed on Labor Day 2021.