Patriots' Day is an annual event, formalized as a legal holiday or a special observance day in six U.S. states, commemorating the battles of Lexington, Concord, and Menotomy, the inaugural battles of the American Revolutionary War. The holiday occurs on the third Monday of April each year, with celebrations including battle reenactments and the Boston Marathon.

In the United States there are a number of observed holidays where employees receive paid time off. The labor force in the United States comprises about 62% of the general population. In the United States, 97% of the private sector businesses determine what days this sector of the population gets paid time off, according to a study by the Society for Human Resource Management. The following holidays are observed by the majority of US businesses with paid time off: New Year's Day, New Year's Eve, Memorial Day, Independence Day, Labor Day, Thanksgiving, the day after known as Black Friday, Christmas Eve and Christmas. There are also numerous holidays on the state and local level that are observed to varying degrees.